102102201012 has 36 divisors (see below), whose sum is σ = 277134547200. Its totient is φ = 29172057264.

The previous prime is 102102201011. The next prime is 102102201017. The reversal of 102102201012 is 210102201201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102102201011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86821012 + ... + 86822187.

Almost surely, 2^102102201012 is an apocalyptic number.

102102201012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102102201012 is an abundant number, since it is smaller than the sum of its proper divisors (175032346188).

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

102102201012 is a wasteful number, since it uses less digits than its factorization.

102102201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173643220 (or 173643211 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 102102201012 its reverse (210102201201), we get a palindrome (312204402213).

The spelling of 102102201012 in words is "one hundred two billion, one hundred two million, two hundred one thousand, twelve".