102001212001212 has 24 divisors (see below), whose sum is σ = 238006702018176. Its totient is φ = 33999850569648.

The previous prime is 102001212001159. The next prime is 102001212001259. The reversal of 102001212001212 is 212100212100201.

It is a junction number, because it is equal to n+sod(n) for n = 102001212001191 and 102001212001200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68410558 + ... + 69885669.

It is an arithmetic number, because the mean of its divisors is an integer number (9916945917424).

Almost surely, 2^{102001212001212} is an apocalyptic number.

102001212001212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102001212001212 is an abundant number, since it is smaller than the sum of its proper divisors (136005490016964).

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

102001212001212 is a wasteful number, since it uses less digits than its factorization.

102001212001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138357697 (or 138357695 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102001212001212 its reverse (212100212100201), we get a palindrome (314101424101413).

The spelling of 102001212001212 in words is "one hundred two trillion, one billion, two hundred twelve million, one thousand, two hundred twelve".