1012201331100 has 36 divisors (see below), whose sum is σ = 2928635852184. Its totient is φ = 269920354880.

The previous prime is 1012201331021. The next prime is 1012201331123. The reversal of 1012201331100 is 11331022101.

It is a happy number.

It is a super-2 number, since 2×1012201331100² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1012201331100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1687001919 + ... + 1687002518.

It is an arithmetic number, because the mean of its divisors is an integer number (81350995894).

Almost surely, 2^{1012201331100} is an apocalyptic number.

1012201331100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012201331100 is an abundant number, since it is smaller than the sum of its proper divisors (1916434521084).

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

1012201331100 is a wasteful number, since it uses less digits than its factorization.

1012201331100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3374004454 (or 3374004447 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1012201331100 its reverse (11331022101), we get a palindrome (1023532353201).

The spelling of 1012201331100 in words is "one trillion, twelve billion, two hundred one million, three hundred thirty-one thousand, one hundred".