2012523021200 has 30 divisors (see below), whose sum is σ = 4835086559394. Its totient is φ = 805009208320.

The previous prime is 2012523021191. The next prime is 2012523021209. The reversal of 2012523021200 is 21203252102.

It is an interprime number because it is at equal distance from previous prime (2012523021191) and next prime (2012523021209).

It can be written as a sum of positive squares in 3 ways, for example, as 20100434176 + 1992422587024 = 141776^2 + 1411532^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2012523021209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2515653377 + ... + 2515654176.

Almost surely, 2^{2012523021200} is an apocalyptic number.

2012523021200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012523021200 is an abundant number, since it is smaller than the sum of its proper divisors (2822563538194).

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

2012523021200 is a wasteful number, since it uses less digits than its factorization.

2012523021200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5031307571 (or 5031307560 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 2012523021200 its reverse (21203252102), we get a palindrome (2033726273302).

The spelling of 2012523021200 in words is "two trillion, twelve billion, five hundred twenty-three million, twenty-one thousand, two hundred".