1012332310122 has 128 divisors (see below), whose sum is σ = 2401430976000. Its totient is φ = 278475549696.

The previous prime is 1012332310117. The next prime is 1012332310153. The reversal of 1012332310122 is 2210132332101.

It is a super-2 number, since 2×1012332310122² (a number of 25 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 62277748 + ... + 62294000.

It is an arithmetic number, because the mean of its divisors is an integer number (18761179500).

Almost surely, 2^{1012332310122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1012332310122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1200715488000).

1012332310122 is an abundant number, since it is smaller than the sum of its proper divisors (1389098665878).

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

1012332310122 is a wasteful number, since it uses less digits than its factorization.

1012332310122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16720.

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

Adding to 1012332310122 its reverse (2210132332101), we get a palindrome (3222464642223).

The spelling of 1012332310122 in words is "one trillion, twelve billion, three hundred thirty-two million, three hundred ten thousand, one hundred twenty-two".