123212312030190 has 16 divisors (see below), whose sum is σ = 295709548872528. Its totient is φ = 32856616541376.

The previous prime is 123212312030189. The next prime is 123212312030221. The reversal of 123212312030190 is 91030213212321.

It is a super-2 number, since 2×123212312030190² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 4107077067673 = 123212312030190 / (1 + 2 + 3 + 2 + 1 + 2 + 3 + 1 + 2 + 0 + 3 + 0 + 1 + 9 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2053538533807 + ... + 2053538533866.

It is an arithmetic number, because the mean of its divisors is an integer number (18481846804533).

Almost surely, 2^{123212312030190} is an apocalyptic number.

123212312030190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123212312030190 is an abundant number, since it is smaller than the sum of its proper divisors (172497236842338).

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

123212312030190 is a wasteful number, since it uses less digits than its factorization.

123212312030190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4107077067683.

The product of its (nonzero) digits is 3888, while the sum is 30.

The spelling of 123212312030190 in words is "one hundred twenty-three trillion, two hundred twelve billion, three hundred twelve million, thirty thousand, one hundred ninety".