42213012403220 has 48 divisors (see below), whose sum is σ = 93928491654480. Its totient is φ = 15880678539264.

The previous prime is 42213012403201. The next prime is 42213012403231. The reversal of 42213012403220 is 2230421031224.

It can be written as a sum of positive squares in 8 ways, for example, as 12768801635716 + 29444210767504 = 3573346^2 + 5426252^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42213012403220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43579109 + ... + 44537228.

It is an arithmetic number, because the mean of its divisors is an integer number (1956843576135).

Almost surely, 2^{42213012403220} is an apocalyptic number.

It is an amenable number.

42213012403220 is an abundant number, since it is smaller than the sum of its proper divisors (51715479251260).

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

42213012403220 is a wasteful number, since it uses less digits than its factorization.

42213012403220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88117772 (or 88117770 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 42213012403220 its reverse (2230421031224), we get a palindrome (44443433434444).

The spelling of 42213012403220 in words is "forty-two trillion, two hundred thirteen billion, twelve million, four hundred three thousand, two hundred twenty".