1012123222132 has 48 divisors (see below), whose sum is σ = 2034743356800. Its totient is φ = 436016338560.

The previous prime is 1012123222009. The next prime is 1012123222133. The reversal of 1012123222132 is 2312223212101.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012123222133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4477407 + ... + 4698022.

It is an arithmetic number, because the mean of its divisors is an integer number (42390486600).

Almost surely, 2^{1012123222132} is an apocalyptic number.

It is an amenable number.

1012123222132 is an abundant number, since it is smaller than the sum of its proper divisors (1022620134668).

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

1012123222132 is a wasteful number, since it uses less digits than its factorization.

1012123222132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9175576 (or 9175574 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1012123222132 its reverse (2312223212101), we get a palindrome (3324346434233).

The spelling of 1012123222132 in words is "one trillion, twelve billion, one hundred twenty-three million, two hundred twenty-two thousand, one hundred thirty-two".