202012212120000 has 140 divisors (see below), whose sum is σ = 667899509848296. Its totient is φ = 53869923200000.

The previous prime is 202012212119999. The next prime is 202012212120007. The reversal of 202012212120000 is 21212210202.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202012212120007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 841597551 + ... + 841837550.

Almost surely, 2^{202012212120000} is an apocalyptic number.

202012212120000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202012212120000 is an abundant number, since it is smaller than the sum of its proper divisors (465887297728296).

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

202012212120000 is an equidigital number, since it uses as much as digits as its factorization.

202012212120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683435136 (or 1683435111 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 202012212120000 its reverse (21212210202), we get a palindrome (202033424330202).

It can be divided in two parts, 20201221 and 2120000, that added together give a triangular number (22321221 = T₆₆₈₁).

The spelling of 202012212120000 in words is "two hundred two trillion, twelve billion, two hundred twelve million, one hundred twenty thousand".