210123120130 has 64 divisors (see below), whose sum is σ = 472326930432. Its totient is φ = 65384879040.

The previous prime is 210123120107. The next prime is 210123120143. The reversal of 210123120130 is 31021321012.

It is a super-2 number, since 2×210123120130² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 242607 + ... + 692173.

It is an arithmetic number, because the mean of its divisors is an integer number (7380108288).

Almost surely, 2^210123120130 is an apocalyptic number.

210123120130 is an abundant number, since it is smaller than the sum of its proper divisors (262203810302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210123120130 is a wasteful number, since it uses less digits than its factorization.

210123120130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450199.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 210123120130 its reverse (31021321012), we get a palindrome (241144441142).

The spelling of 210123120130 in words is "two hundred ten billion, one hundred twenty-three million, one hundred twenty thousand, one hundred thirty".