1312221034 has 8 divisors (see below), whose sum is σ = 1974279168. Its totient is φ = 654127980.

The previous prime is 1312221019. The next prime is 1312221049. The reversal of 1312221034 is 4301222131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1312221019) and next prime (1312221049).

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 990442 + ... + 991765.

It is an arithmetic number, because the mean of its divisors is an integer number (246784896).

Almost surely, 2^1312221034 is an apocalyptic number.

1312221034 is a deficient number, since it is larger than the sum of its proper divisors (662058134).

1312221034 is a wasteful number, since it uses less digits than its factorization.

1312221034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982540.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1312221034 is about 36224.5915642951. The cubic root of 1312221034 is about 1094.8022088764.

Adding to 1312221034 its reverse (4301222131), we get a palindrome (5613443165).

The spelling of 1312221034 in words is "one billion, three hundred twelve million, two hundred twenty-one thousand, thirty-four".