1203001202100 has 36 divisors (see below), whose sum is σ = 3480683478944. Its totient is φ = 320800320480.

The previous prime is 1203001202077. The next prime is 1203001202147. The reversal of 1203001202100 is 12021003021.

It is a super-3 number, since 3×1203001202100³ (a number of 37 digits) contains 333 as substring.

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 11 ways as a sum of consecutive naturals, for example, 2005001704 + ... + 2005002303.

Almost surely, 2^{1203001202100} is an apocalyptic number.

1203001202100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1203001202100 is an abundant number, since it is smaller than the sum of its proper divisors (2277682276844).

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

1203001202100 is a wasteful number, since it uses less digits than its factorization.

1203001202100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4010004024 (or 4010004017 counting only the distinct ones).

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

Adding to 1203001202100 its reverse (12021003021), we get a palindrome (1215022205121).

The spelling of 1203001202100 in words is "one trillion, two hundred three billion, one million, two hundred two thousand, one hundred".