3203112020100 has 72 divisors (see below), whose sum is σ = 9301128314688. Its totient is φ = 851079561600.

The previous prime is 3203112020089. The next prime is 3203112020117. The reversal of 3203112020100 is 10202113023.

It is a super-2 number, since 2×3203112020100² (a number of 26 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 3203112020100.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19189536 + ... + 19355735.

It is an arithmetic number, because the mean of its divisors is an integer number (129182337704).

Almost surely, 2^{3203112020100} is an apocalyptic number.

3203112020100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3203112020100 is an abundant number, since it is smaller than the sum of its proper divisors (6098016294588).

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

3203112020100 is a wasteful number, since it uses less digits than its factorization.

3203112020100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38545565 (or 38545558 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 3203112020100 its reverse (10202113023), we get a palindrome (3213314133123).

The spelling of 3203112020100 in words is "three trillion, two hundred three billion, one hundred twelve million, twenty thousand, one hundred".