123021311030002 has 128 divisors (see below), whose sum is σ = 236136237023232. Its totient is φ = 46676386944000.

The previous prime is 123021311029973. The next prime is 123021311030027. The reversal of 123021311030002 is 200030113120321.

It is a super-2 number, since 2×123021311030002² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1457539002 + ... + 1457623402.

It is an arithmetic number, because the mean of its divisors is an integer number (1844814351744).

Almost surely, 2^{123021311030002} is an apocalyptic number.

123021311030002 is a deficient number, since it is larger than the sum of its proper divisors (113114925993230).

123021311030002 is a wasteful number, since it uses less digits than its factorization.

123021311030002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85472.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 123021311030002 its reverse (200030113120321), we get a palindrome (323051424150323).

The spelling of 123021311030002 in words is "one hundred twenty-three trillion, twenty-one billion, three hundred eleven million, thirty thousand, two".