1022552452212 has 24 divisors (see below), whose sum is σ = 2395239603456. Its totient is φ = 339524548608.

The previous prime is 1022552452211. The next prime is 1022552452217. The reversal of 1022552452212 is 2122542552201.

It is a super-2 number, since 2×1022552452212² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022552452211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165780388 + ... + 165786555.

It is an arithmetic number, because the mean of its divisors is an integer number (99801650144).

Almost surely, 2^{1022552452212} is an apocalyptic number.

1022552452212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1022552452212 is an abundant number, since it is smaller than the sum of its proper divisors (1372687151244).

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

1022552452212 is a wasteful number, since it uses less digits than its factorization.

1022552452212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331567207 (or 331567205 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 33.

The spelling of 1022552452212 in words is "one trillion, twenty-two billion, five hundred fifty-two million, four hundred fifty-two thousand, two hundred twelve".