102121021200212 has 48 divisors (see below), whose sum is σ = 204474729650688. Its totient is φ = 43716293952480.

The previous prime is 102121021200197. The next prime is 102121021200229. The reversal of 102121021200212 is 212002120121201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 915901787 + ... + 916013277.

It is an arithmetic number, because the mean of its divisors is an integer number (4259890201056).

Almost surely, 2^{102121021200212} is an apocalyptic number.

It is an amenable number.

102121021200212 is an abundant number, since it is smaller than the sum of its proper divisors (102353708450476).

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

102121021200212 is a wasteful number, since it uses less digits than its factorization.

102121021200212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148476 (or 148474 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102121021200212 its reverse (212002120121201), we get a palindrome (314123141321413).

The spelling of 102121021200212 in words is "one hundred two trillion, one hundred twenty-one billion, twenty-one million, two hundred thousand, two hundred twelve".