200012212021020 has 144 divisors (see below), whose sum is σ = 655067622107808. Its totient is φ = 45464496376320.

The previous prime is 200012212020989. The next prime is 200012212021043. The reversal of 200012212021020 is 20120212210002.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 187399807 + ... + 188464086.

It is an arithmetic number, because the mean of its divisors is an integer number (4549080709082).

Almost surely, 2^{200012212021020} is an apocalyptic number.

200012212021020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200012212021020 is an abundant number, since it is smaller than the sum of its proper divisors (455055410086788).

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

200012212021020 is a wasteful number, since it uses less digits than its factorization.

200012212021020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375864100 (or 375864091 counting only the distinct ones).

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

Adding to 200012212021020 its reverse (20120212210002), we get a palindrome (220132424231022).

The spelling of 200012212021020 in words is "two hundred trillion, twelve billion, two hundred twelve million, twenty-one thousand, twenty".