42120233000 has 32 divisors (see below), whose sum is σ = 98561347560. Its totient is φ = 16848092800.

The previous prime is 42120232997. The next prime is 42120233027. The reversal of 42120233000 is 33202124.

It can be written as a sum of positive squares in 4 ways, for example, as 1999341796 + 40120891204 = 44714^2 + 200302^2 .

It is a super-2 number, since 2×42120233000² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42120233000.

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, 21059117 + ... + 21061116.

Almost surely, 2^42120233000 is an apocalyptic number.

42120233000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42120233000 is an abundant number, since it is smaller than the sum of its proper divisors (56441114560).

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

42120233000 is a wasteful number, since it uses less digits than its factorization.

42120233000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42120254 (or 42120240 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 42120233000 its reverse (33202124), we get a palindrome (42153435124).

The spelling of 42120233000 in words is "forty-two billion, one hundred twenty million, two hundred thirty-three thousand".