122142040000 has 70 divisors (see below), whose sum is σ = 302872662224. Its totient is φ = 48856800000.

The previous prime is 122142039983. The next prime is 122142040001. The reversal of 122142040000 is 40241221.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122142040001) 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 9 ways as a sum of consecutive naturals, for example, 1486776 + ... + 1566775.

Almost surely, 2^122142040000 is an apocalyptic number.

122142040000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122142040000 is an abundant number, since it is smaller than the sum of its proper divisors (180730622224).

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

122142040000 is an frugal number, since it uses more digits than its factorization.

122142040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3053583 (or 3053558 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 122142040000 its reverse (40241221), we get a palindrome (122182281221).

The spelling of 122142040000 in words is "one hundred twenty-two billion, one hundred forty-two million, forty thousand".