122312010132 has 144 divisors (see below), whose sum is σ = 350813369088. Its totient is φ = 35648363520.

The previous prime is 122312010061. The next prime is 122312010133. The reversal of 122312010132 is 231010213221.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122312010133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1053532 + ... + 1163852.

It is an arithmetic number, because the mean of its divisors is an integer number (2436203952).

Almost surely, 2^122312010132 is an apocalyptic number.

122312010132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122312010132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175406684544).

122312010132 is an abundant number, since it is smaller than the sum of its proper divisors (228501358956).

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

122312010132 is a wasteful number, since it uses less digits than its factorization.

122312010132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110470 (or 110465 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 122312010132 its reverse (231010213221), we get a palindrome (353322223353).

The spelling of 122312010132 in words is "one hundred twenty-two billion, three hundred twelve million, ten thousand, one hundred thirty-two".