102010121212 has 24 divisors (see below), whose sum is σ = 188404070400. Its totient is φ = 48194406576.

The previous prime is 102010121197. The next prime is 102010121261. The reversal of 102010121212 is 212121010201.

It is a junction number, because it is equal to n+sod(n) for n = 102010121192 and 102010121201.

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, 1723162 + ... + 1781377.

It is an arithmetic number, because the mean of its divisors is an integer number (7850169600).

Almost surely, 2^102010121212 is an apocalyptic number.

It is an amenable number.

102010121212 is a deficient number, since it is larger than the sum of its proper divisors (86393949188).

102010121212 is a wasteful number, since it uses less digits than its factorization.

102010121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3504945 (or 3504943 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102010121212 its reverse (212121010201), we get a palindrome (314131131413).

The spelling of 102010121212 in words is "one hundred two billion, ten million, one hundred twenty-one thousand, two hundred twelve".