202012011000100 has 72 divisors (see below), whose sum is σ = 501162012953280. Its totient is φ = 69237450913920.

The previous prime is 202012011000083. The next prime is 202012011000101. The reversal of 202012011000100 is 1000110210202.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (202012011000101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47566414 + ... + 51639013.

It is an arithmetic number, because the mean of its divisors is an integer number (6960583513240).

Almost surely, 2^{202012011000100} is an apocalyptic number.

202012011000100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202012011000100 is an abundant number, since it is smaller than the sum of its proper divisors (299150001953180).

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

202012011000100 is a wasteful number, since it uses less digits than its factorization.

202012011000100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99208357 (or 99208350 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 202012011000100 its reverse (1000110210202), we get a palindrome (203012121210302).

The spelling of 202012011000100 in words is "two hundred two trillion, twelve billion, eleven million, one hundred", and thus it is an aban number.