1212312302213 has 8 divisors (see below), whose sum is σ = 1273078998528. Its totient is φ = 1152217061424.

The previous prime is 1212312302129. The next prime is 1212312302231. The reversal of 1212312302213 is 3122032132121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1212312302213 - 2¹⁴ = 1212312285829 is a prime.

It is a super-2 number, since 2×1212312302213² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212312302713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167860181 + ... + 167867402.

It is an arithmetic number, because the mean of its divisors is an integer number (159134874816).

Almost surely, 2^{1212312302213} is an apocalyptic number.

It is an amenable number.

1212312302213 is a deficient number, since it is larger than the sum of its proper divisors (60766696315).

1212312302213 is a wasteful number, since it uses less digits than its factorization.

1212312302213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335727763.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1212312302213 its reverse (3122032132121), we get a palindrome (4334344434334).

The spelling of 1212312302213 in words is "one trillion, two hundred twelve billion, three hundred twelve million, three hundred two thousand, two hundred thirteen".