12022021031000 has 64 divisors (see below), whose sum is σ = 29612136060000. Its totient is φ = 4555713225600.

The previous prime is 12022021030927. The next prime is 12022021031011. The reversal of 12022021031000 is 13012022021.

It is a happy number.

It is a super-2 number, since 2×12022021031000² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 316349975 + ... + 316387974.

Almost surely, 2^{12022021031000} is an apocalyptic number.

12022021031000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12022021031000 is an abundant number, since it is smaller than the sum of its proper divisors (17590115029000).

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

12022021031000 is a wasteful number, since it uses less digits than its factorization.

12022021031000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632737989 (or 632737975 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12022021031000 its reverse (13012022021), we get a palindrome (12035033053021).

The spelling of 12022021031000 in words is "twelve trillion, twenty-two billion, twenty-one million, thirty-one thousand".