200030312102120 has 16 divisors (see below), whose sum is σ = 450068202229860. Its totient is φ = 80012124840832.

The previous prime is 200030312102057. The next prime is 200030312102141. The reversal of 200030312102120 is 21201213030002.

It can be written as a sum of positive squares in 2 ways, for example, as 180100855467556 + 19929456634564 = 13420166^2 + 4464242^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2500378901237 + ... + 2500378901316.

Almost surely, 2^{200030312102120} is an apocalyptic number.

200030312102120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200030312102120 is an abundant number, since it is smaller than the sum of its proper divisors (250037890127740).

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

200030312102120 is a wasteful number, since it uses less digits than its factorization.

200030312102120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000757802564 (or 5000757802560 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 200030312102120 its reverse (21201213030002), we get a palindrome (221231525132122).

The spelling of 200030312102120 in words is "two hundred trillion, thirty billion, three hundred twelve million, one hundred two thousand, one hundred twenty".