102201120021212 has 48 divisors (see below), whose sum is σ = 187869853516800. Its totient is φ = 48553603718400.

The previous prime is 102201120021181. The next prime is 102201120021223. The reversal of 102201120021212 is 212120021102201.

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, 547376489 + ... + 547563167.

It is an arithmetic number, because the mean of its divisors is an integer number (3913955281600).

Almost surely, 2^{102201120021212} is an apocalyptic number.

It is an amenable number.

102201120021212 is a deficient number, since it is larger than the sum of its proper divisors (85668733495588).

102201120021212 is a wasteful number, since it uses less digits than its factorization.

102201120021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226266 (or 226264 counting only the distinct ones).

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

Adding to 102201120021212 its reverse (212120021102201), we get a palindrome (314321141123413).

The spelling of 102201120021212 in words is "one hundred two trillion, two hundred one billion, one hundred twenty million, twenty-one thousand, two hundred twelve".