102220201011212 has 24 divisors (see below), whose sum is σ = 185869027254960. Its totient is φ = 49130292559040.

The previous prime is 102220201011197. The next prime is 102220201011251. The reversal of 102220201011212 is 212110102022201.

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, 1940961839 + ... + 1941014502.

It is an arithmetic number, because the mean of its divisors is an integer number (7744542802290).

Almost surely, 2^{102220201011212} is an apocalyptic number.

It is an amenable number.

102220201011212 is a deficient number, since it is larger than the sum of its proper divisors (83648826243748).

102220201011212 is a wasteful number, since it uses less digits than its factorization.

102220201011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3881976601 (or 3881976599 counting only the distinct ones).

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

Adding to 102220201011212 its reverse (212110102022201), we get a palindrome (314330303033413).

The spelling of 102220201011212 in words is "one hundred two trillion, two hundred twenty billion, two hundred one million, eleven thousand, two hundred twelve".