1213031301112 has 8 divisors (see below), whose sum is σ = 2274433689600. Its totient is φ = 606515650552.

The previous prime is 1213031301019. The next prime is 1213031301143. The reversal of 1213031301112 is 2111031303121.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1213031301112² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1213031301112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75814456312 + ... + 75814456327.

It is an arithmetic number, because the mean of its divisors is an integer number (284304211200).

Almost surely, 2^{1213031301112} is an apocalyptic number.

It is an amenable number.

1213031301112 is a deficient number, since it is larger than the sum of its proper divisors (1061402388488).

1213031301112 is a wasteful number, since it uses less digits than its factorization.

1213031301112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151628912645 (or 151628912641 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1213031301112 its reverse (2111031303121), we get a palindrome (3324062604233).

The spelling of 1213031301112 in words is "one trillion, two hundred thirteen billion, thirty-one million, three hundred one thousand, one hundred twelve".