1312102026 has 48 divisors (see below), whose sum is σ = 2918916000. Its totient is φ = 425798880.

The previous prime is 1312101983. The next prime is 1312102027. The reversal of 1312102026 is 6202012131.

It is a super-2 number, since 2×1312102026² = 3443223453266609352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1312102027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119725 + ... + 130223.

It is an arithmetic number, because the mean of its divisors is an integer number (60810750).

Almost surely, 2^1312102026 is an apocalyptic number.

1312102026 is an abundant number, since it is smaller than the sum of its proper divisors (1606813974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312102026 is a wasteful number, since it uses less digits than its factorization.

1312102026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10691 (or 10688 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1312102026 is about 36222.9488860308. The cubic root of 1312102026 is about 1094.7691112613.

Adding to 1312102026 its reverse (6202012131), we get a palindrome (7514114157).

The spelling of 1312102026 in words is "one billion, three hundred twelve million, one hundred two thousand, twenty-six".