210012202021120 has 72 divisors (see below), whose sum is σ = 503091075090240. Its totient is φ = 83997161994240.

The previous prime is 210012202021087. The next prime is 210012202021129. The reversal of 210012202021120 is 21120202210012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 210012202021094 and 210012202021103.

It is not an unprimeable number, because it can be changed into a prime (210012202021129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6408021 + ... + 21472939.

It is an arithmetic number, because the mean of its divisors is an integer number (6987376042920).

Almost surely, 2^{210012202021120} is an apocalyptic number.

210012202021120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210012202021120 is an abundant number, since it is smaller than the sum of its proper divisors (293078873069120).

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

210012202021120 is a wasteful number, since it uses less digits than its factorization.

210012202021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15075831 (or 15075817 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 210012202021120 its reverse (21120202210012), we get a palindrome (231132404231132).

The spelling of 210012202021120 in words is "two hundred ten trillion, twelve billion, two hundred two million, twenty-one thousand, one hundred twenty".