1012202131000 has 64 divisors (see below), whose sum is σ = 2390689248480. Its totient is φ = 401096876800.

The previous prime is 1012202130983. The next prime is 1012202131001. The reversal of 1012202131000 is 1312022101.

It is a super-2 number, since 2×1012202131000² (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 (1012202131001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4622917 + ... + 4836916.

Almost surely, 2^{1012202131000} is an apocalyptic number.

1012202131000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012202131000 is an abundant number, since it is smaller than the sum of its proper divisors (1378487117480).

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

1012202131000 is a wasteful number, since it uses less digits than its factorization.

1012202131000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9459961 (or 9459947 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1012202131000 its reverse (1312022101), we get a palindrome (1013514153101).

The spelling of 1012202131000 in words is "one trillion, twelve billion, two hundred two million, one hundred thirty-one thousand".