1000123122132 has 24 divisors (see below), whose sum is σ = 2592911798400. Its totient is φ = 333374374008.

The previous prime is 1000123122127. The next prime is 1000123122149. The reversal of 1000123122132 is 2312213210001.

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

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, 4630199532 + ... + 4630199747.

It is an arithmetic number, because the mean of its divisors is an integer number (108037991600).

Almost surely, 2^{1000123122132} is an apocalyptic number.

1000123122132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1000123122132 is an abundant number, since it is smaller than the sum of its proper divisors (1592788676268).

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

1000123122132 is a wasteful number, since it uses less digits than its factorization.

1000123122132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9260399292 (or 9260399284 counting only the distinct ones).

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

Adding to 1000123122132 its reverse (2312213210001), we get a palindrome (3312336332133).

It can be divided in two parts, 10001 and 23122132, that multiplied together give a palindrome (231244442132).

The spelling of 1000123122132 in words is "one trillion, one hundred twenty-three million, one hundred twenty-two thousand, one hundred thirty-two".