102012101211312 has 30 divisors (see below), whose sum is σ = 285492199918172. Its totient is φ = 34004033737056.

The previous prime is 102012101211289. The next prime is 102012101211347. The reversal of 102012101211312 is 213112101210201.

It is a happy number.

102012101211312 is a `hidden beast` number, since 1 + 0 + 20 + 1 + 210 + 121 + 1 + 312 = 666.

It is a super-2 number, since 2×102012101211312² (a number of 29 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 354208684618 + ... + 354208684905.

Almost surely, 2^{102012101211312} is an apocalyptic number.

102012101211312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102012101211312 is an abundant number, since it is smaller than the sum of its proper divisors (183480098706860).

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

102012101211312 is a wasteful number, since it uses less digits than its factorization.

102012101211312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708417369537 (or 708417369528 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 102012101211312 its reverse (213112101210201), we get a palindrome (315124202421513).

The spelling of 102012101211312 in words is "one hundred two trillion, twelve billion, one hundred one million, two hundred eleven thousand, three hundred twelve".