123122011212030 has 32 divisors (see below), whose sum is σ = 296133809213088. Its totient is φ = 32761316067200.

The previous prime is 123122011212017. The next prime is 123122011212077. The reversal of 123122011212030 is 30212110221321.

It is a junction number, because it is equal to n+sod(n) for n = 123122011211988 and 123122011212006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4451251941 + ... + 4451279600.

It is an arithmetic number, because the mean of its divisors is an integer number (9254181537909).

Almost surely, 2^{123122011212030} is an apocalyptic number.

123122011212030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123122011212030 is an abundant number, since it is smaller than the sum of its proper divisors (173011798001058).

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

123122011212030 is a wasteful number, since it uses less digits than its factorization.

123122011212030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8902532012.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 123122011212030 its reverse (30212110221321), we get a palindrome (153334121433351).

The spelling of 123122011212030 in words is "one hundred twenty-three trillion, one hundred twenty-two billion, eleven million, two hundred twelve thousand, thirty".