20211233131012 has 24 divisors (see below), whose sum is σ = 44097235922880. Its totient is φ = 7874506414560.

The previous prime is 20211233131009. The next prime is 20211233131079. The reversal of 20211233131012 is 21013133211202.

It is a super-2 number, since 2×20211233131012² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32810443087 + ... + 32810443702.

It is an arithmetic number, because the mean of its divisors is an integer number (1837384830120).

Almost surely, 2^{20211233131012} is an apocalyptic number.

20211233131012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20211233131012 is an abundant number, since it is smaller than the sum of its proper divisors (23886002791868).

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

20211233131012 is a wasteful number, since it uses less digits than its factorization.

20211233131012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65620886811 (or 65620886809 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 20211233131012 its reverse (21013133211202), we get a palindrome (41224366342214).

The spelling of 20211233131012 in words is "twenty trillion, two hundred eleven billion, two hundred thirty-three million, one hundred thirty-one thousand, twelve".