102012121020212 has 24 divisors (see below), whose sum is σ = 192400708162656. Its totient is φ = 47046494013408.

The previous prime is 102012121020143. The next prime is 102012121020289. The reversal of 102012121020212 is 212020121210201.

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, 750418478 + ... + 750554405.

It is an arithmetic number, because the mean of its divisors is an integer number (8016696173444).

Almost surely, 2^{102012121020212} is an apocalyptic number.

It is an amenable number.

102012121020212 is a deficient number, since it is larger than the sum of its proper divisors (90388587142444).

102012121020212 is a wasteful number, since it uses less digits than its factorization.

102012121020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500974207 (or 1500974205 counting only the distinct ones).

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

Adding to 102012121020212 its reverse (212020121210201), we get a palindrome (314032242230413).

The spelling of 102012121020212 in words is "one hundred two trillion, twelve billion, one hundred twenty-one million, twenty thousand, two hundred twelve".