231200022440000 has 560 divisors, whose sum is σ = 627366071794176. Its totient is φ = 84130099200000.

The previous prime is 231200022439957. The next prime is 231200022440021. The reversal of 231200022440000 is 44220002132.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 18613633790 + ... + 18613646210.

Almost surely, 2^{231200022440000} is an apocalyptic number.

231200022440000 is a gapful number since it is divisible by the number (20) 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 231200022440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313683035897088).

231200022440000 is an abundant number, since it is smaller than the sum of its proper divisors (396166049354176).

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

231200022440000 is a wasteful number, since it uses less digits than its factorization.

231200022440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13384 (or 13359 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 231200022440000 its reverse (44220002132), we get a palindrome (231244242442132).

The spelling of 231200022440000 in words is "two hundred thirty-one trillion, two hundred billion, twenty-two million, four hundred forty thousand".