42220869012 has 108 divisors (see below), whose sum is σ = 124464243540. Its totient is φ = 12032520192.

The previous prime is 42220868999. The next prime is 42220869071. The reversal of 42220869012 is 21096802224.

42220869012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10313621136 + 31907247876 = 101556^2 + 178626^2 .

It is a super-2 number, since 2×42220869012² (a number of 22 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, 670164 + ... + 730452.

Almost surely, 2^42220869012 is an apocalyptic number.

42220869012 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42220869012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62232121770).

42220869012 is an abundant number, since it is smaller than the sum of its proper divisors (82243374528).

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

42220869012 is a wasteful number, since it uses less digits than its factorization.

42220869012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60710 (or 60698 counting only the distinct ones).

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

The spelling of 42220869012 in words is "forty-two billion, two hundred twenty million, eight hundred sixty-nine thousand, twelve".