123020212232330 has 48 divisors (see below), whose sum is σ = 272741570187336. Its totient is φ = 39697278566400.

The previous prime is 123020212232329. The next prime is 123020212232353. The reversal of 123020212232330 is 33232212020321.

It can be written as a sum of positive squares in 4 ways, for example, as 79033220143969 + 43986992088361 = 8890063^2 + 6632269^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 123020212232330.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7384158071 + ... + 7384174730.

Almost surely, 2^{123020212232330} is an apocalyptic number.

123020212232330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123020212232330 is an abundant number, since it is smaller than the sum of its proper divisors (149721357955006).

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

123020212232330 is a wasteful number, since it uses less digits than its factorization.

123020212232330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14768332839 (or 14768332832 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 123020212232330 its reverse (33232212020321), we get a palindrome (156252424252651).

The spelling of 123020212232330 in words is "one hundred twenty-three trillion, twenty billion, two hundred twelve million, two hundred thirty-two thousand, three hundred thirty".