1202020031100 has 72 divisors (see below), whose sum is σ = 3974679576448. Its totient is φ = 274747435200.

The previous prime is 1202020031083. The next prime is 1202020031123. The reversal of 1202020031100 is 11300202021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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, 286193146 + ... + 286197345.

Almost surely, 2^{1202020031100} is an apocalyptic number.

1202020031100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202020031100 is an abundant number, since it is smaller than the sum of its proper divisors (2772659545348).

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

1202020031100 is a wasteful number, since it uses less digits than its factorization.

1202020031100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572390515 (or 572390508 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 1202020031100 its reverse (11300202021), we get a palindrome (1213320233121).

The spelling of 1202020031100 in words is "one trillion, two hundred two billion, twenty million, thirty-one thousand, one hundred".