1021231032200 has 48 divisors (see below), whose sum is σ = 2375477342160. Its totient is φ = 408300552000.

The previous prime is 1021231032197. The next prime is 1021231032209. The reversal of 1021231032200 is 22301321201.

It is a super-2 number, since 2×1021231032200² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1021231032209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 771866 + ... + 1624265.

It is an arithmetic number, because the mean of its divisors is an integer number (49489111295).

Almost surely, 2^{1021231032200} is an apocalyptic number.

1021231032200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1021231032200 is an abundant number, since it is smaller than the sum of its proper divisors (1354246309960).

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

1021231032200 is a wasteful number, since it uses less digits than its factorization.

1021231032200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2398278 (or 2398269 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1021231032200 its reverse (22301321201), we get a palindrome (1043532353401).

The spelling of 1021231032200 in words is "one trillion, twenty-one billion, two hundred thirty-one million, thirty-two thousand, two hundred".