102001212314451 has 32 divisors (see below), whose sum is σ = 152393504716800. Its totient is φ = 67426935438240.

The previous prime is 102001212314447. The next prime is 102001212314479. The reversal of 102001212314451 is 154413212100201.

102001212314451 is a `hidden beast` number, since 1 + 0 + 2 + 0 + 0 + 1 + 212 + 3 + 1 + 445 + 1 = 666.

It is not a de Polignac number, because 102001212314451 - 2² = 102001212314447 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (102001212314401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31747011 + ... + 34811996.

It is an arithmetic number, because the mean of its divisors is an integer number (4762297022400).

Almost surely, 2^{102001212314451} is an apocalyptic number.

102001212314451 is a deficient number, since it is larger than the sum of its proper divisors (50392292402349).

102001212314451 is a wasteful number, since it uses less digits than its factorization.

102001212314451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66559496 (or 66559490 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

Adding to 102001212314451 its reverse (154413212100201), we get a palindrome (256414424414652).

The spelling of 102001212314451 in words is "one hundred two trillion, one billion, two hundred twelve million, three hundred fourteen thousand, four hundred fifty-one".