102001211210012 has 6 divisors (see below), whose sum is σ = 178502119617528. Its totient is φ = 51000605605004.

The previous prime is 102001211210011. The next prime is 102001211210053. The reversal of 102001211210012 is 210012112100201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102001211210011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12750151401248 + ... + 12750151401255.

It is an arithmetic number, because the mean of its divisors is an integer number (29750353269588).

Almost surely, 2^{102001211210012} is an apocalyptic number.

It is an amenable number.

102001211210012 is a deficient number, since it is larger than the sum of its proper divisors (76500908407516).

102001211210012 is a wasteful number, since it uses less digits than its factorization.

102001211210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25500302802507 (or 25500302802505 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102001211210012 its reverse (210012112100201), we get a palindrome (312013323310213).

The spelling of 102001211210012 in words is "one hundred two trillion, one billion, two hundred eleven million, two hundred ten thousand, twelve".