210102001021012 has 24 divisors (see below), whose sum is σ = 374749747827840. Its totient is φ = 103045665733920.

The previous prime is 210102001021009. The next prime is 210102001021063. The reversal of 210102001021012 is 210120100201012.

It is a junction number, because it is equal to n+sod(n) for n = 210102001020983 and 210102001021001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1877598312 + ... + 1877710207.

It is an arithmetic number, because the mean of its divisors is an integer number (15614572826160).

Almost surely, 2^{210102001021012} is an apocalyptic number.

It is an amenable number.

210102001021012 is a deficient number, since it is larger than the sum of its proper divisors (164647746806828).

210102001021012 is a wasteful number, since it uses less digits than its factorization.

210102001021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3755308791 (or 3755308789 counting only the distinct ones).

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

Adding to 210102001021012 its reverse (210120100201012), we get a palindrome (420222101222024).

The spelling of 210102001021012 in words is "two hundred ten trillion, one hundred two billion, one million, twenty-one thousand, twelve".