312201002100 has 72 divisors (see below), whose sum is σ = 972786314080. Its totient is φ = 76849476480.

The previous prime is 312201002081. The next prime is 312201002119. The reversal of 312201002100 is 1200102213.

It is an interprime number because it is at equal distance from previous prime (312201002081) and next prime (312201002119).

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, 40021870 + ... + 40029669.

Almost surely, 2^312201002100 is an apocalyptic number.

312201002100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312201002100 is an abundant number, since it is smaller than the sum of its proper divisors (660585311980).

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

312201002100 is a wasteful number, since it uses less digits than its factorization.

312201002100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80051569 (or 80051562 counting only the distinct ones).

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

Adding to 312201002100 its reverse (1200102213), we get a palindrome (313401104313).

The spelling of 312201002100 in words is "three hundred twelve billion, two hundred one million, two thousand, one hundred".