1022032231200 has 144 divisors (see below), whose sum is σ = 3696349980960. Its totient is φ = 272541922560.

The previous prime is 1022032231177. The next prime is 1022032231217. The reversal of 1022032231200 is 21322302201.

1022032231200 is a `hidden beast` number, since 1 + 0 + 220 + 322 + 3 + 120 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×1022032231200² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23636554 + ... + 23679753.

It is an arithmetic number, because the mean of its divisors is an integer number (25669097090).

Almost surely, 2^{1022032231200} is an apocalyptic number.

1022032231200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022032231200 is an abundant number, since it is smaller than the sum of its proper divisors (2674317749760).

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

1022032231200 is a wasteful number, since it uses less digits than its factorization.

1022032231200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47316336 (or 47316317 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1022032231200 its reverse (21322302201), we get a palindrome (1043354533401).

The spelling of 1022032231200 in words is "one trillion, twenty-two billion, thirty-two million, two hundred thirty-one thousand, two hundred".