42289022121300 has 108 divisors (see below), whose sum is σ = 132553921394076. Its totient is φ = 11276959334400.

The previous prime is 42289022121257. The next prime is 42289022121323. The reversal of 42289022121300 is 312122098224.

It is a happy number.

42289022121300 is a `hidden beast` number, since 4 + 2 + 28 + 90 + 221 + 21 + 300 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 5907641358096 + 36381380763204 = 2430564^2 + 6031698^2 .

It is a super-2 number, since 2×42289022121300² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 128388820 + ... + 128717780.

Almost surely, 2^{42289022121300} is an apocalyptic number.

It is an amenable number.

42289022121300 is an abundant number, since it is smaller than the sum of its proper divisors (90264899272776).

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

42289022121300 is a wasteful number, since it uses less digits than its factorization.

42289022121300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471818 (or 471808 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 42289022121300 in words is "forty-two trillion, two hundred eighty-nine billion, twenty-two million, one hundred twenty-one thousand, three hundred".