402212023000 has 64 divisors (see below), whose sum is σ = 942472440000. Its totient is φ = 160663219200.

The previous prime is 402212022977. The next prime is 402212023001. The reversal of 402212023000 is 320212204.

It is a super-2 number, since 2×402212023000² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402212023001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 450376 + ... + 1003624.

It is an arithmetic number, because the mean of its divisors is an integer number (14726131875).

Almost surely, 2^402212023000 is an apocalyptic number.

402212023000 is a gapful number since it is divisible by the number (40) 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 402212023000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (471236220000).

402212023000 is an abundant number, since it is smaller than the sum of its proper divisors (540260417000).

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

402212023000 is a wasteful number, since it uses less digits than its factorization.

402212023000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553997 (or 553983 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 402212023000 its reverse (320212204), we get a palindrome (402532235204).

The spelling of 402212023000 in words is "four hundred two billion, two hundred twelve million, twenty-three thousand".