12010816100 has 36 divisors (see below), whose sum is σ = 26207507508. Its totient is φ = 4777776000.

The previous prime is 12010816099. The next prime is 12010816121. The reversal of 12010816100 is 161801021.

It can be written as a sum of positive squares in 6 ways, for example, as 5416076836 + 6594739264 = 73594^2 + 81208^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 313691 + ... + 349890.

Almost surely, 2^12010816100 is an apocalyptic number.

12010816100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12010816100 is an abundant number, since it is smaller than the sum of its proper divisors (14196691408).

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

12010816100 is a wasteful number, since it uses less digits than its factorization.

12010816100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663776 (or 663769 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 20.

The spelling of 12010816100 in words is "twelve billion, ten million, eight hundred sixteen thousand, one hundred".