210122021012 has 24 divisors (see below), whose sum is σ = 383765222400. Its totient is φ = 100476341856.

The previous prime is 210122021009. The next prime is 210122021023. The reversal of 210122021012 is 210120221012.

210122021012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371414 + ... + 747122.

It is an arithmetic number, because the mean of its divisors is an integer number (15990217600).

Almost surely, 2^210122021012 is an apocalyptic number.

It is an amenable number.

210122021012 is a deficient number, since it is larger than the sum of its proper divisors (173643201388).

210122021012 is a wasteful number, since it uses less digits than its factorization.

210122021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381815 (or 381813 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 210122021012 its reverse (210120221012), we get a palindrome (420242242024).

The spelling of 210122021012 in words is "two hundred ten billion, one hundred twenty-two million, twenty-one thousand, twelve".