122112323130 has 64 divisors (see below), whose sum is σ = 335624693760. Its totient is φ = 27854051904.

The previous prime is 122112323119. The next prime is 122112323131. The reversal of 122112323130 is 31323211221.

It is a super-2 number, since 2×122112323130² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 122112323097 and 122112323106.

It is not an unprimeable number, because it can be changed into a prime (122112323131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 494740 + ... + 699279.

It is an arithmetic number, because the mean of its divisors is an integer number (5244135840).

Almost surely, 2^122112323130 is an apocalyptic number.

122112323130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122112323130 is an abundant number, since it is smaller than the sum of its proper divisors (213512370630).

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

122112323130 is a wasteful number, since it uses less digits than its factorization.

122112323130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194523.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 122112323130 its reverse (31323211221), we get a palindrome (153435534351).

It can be divided in two parts, 1221123 and 23130, that added together give a triangular number (1244253 = T₁₅₇₇).

The spelling of 122112323130 in words is "one hundred twenty-two billion, one hundred twelve million, three hundred twenty-three thousand, one hundred thirty".