210122102012 has 12 divisors (see below), whose sum is σ = 367718487696. Its totient is φ = 105059676960.

The previous prime is 210122102009. The next prime is 210122102017. The reversal of 210122102012 is 210201221012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210122102017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50873 + ... + 650255.

It is an arithmetic number, because the mean of its divisors is an integer number (30643207308).

Almost surely, 2^210122102012 is an apocalyptic number.

It is an amenable number.

210122102012 is a deficient number, since it is larger than the sum of its proper divisors (157596385684).

210122102012 is a wasteful number, since it uses less digits than its factorization.

210122102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687028 (or 687026 counting only the distinct ones).

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

Adding to 210122102012 its reverse (210201221012), we get a palindrome (420323323024).

It can be divided in two parts, 21012 and 2102012, that multiplied together give a palindrome (44167476144).

The spelling of 210122102012 in words is "two hundred ten billion, one hundred twenty-two million, one hundred two thousand, twelve".