210120213220000 has 60 divisors (see below), whose sum is σ = 516927242602386. Its totient is φ = 84048085280000.

The previous prime is 210120213219989. The next prime is 210120213220003. The reversal of 210120213220000 is 22312021012.

It is a happy number.

210120213220000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 44442435578256 + 165677777641744 = 6666516^2 + 12871588^2 .

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

It is not an unprimeable number, because it can be changed into a prime (210120213220003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5252985331 + ... + 5253025330.

Almost surely, 2^{210120213220000} is an apocalyptic number.

210120213220000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210120213220000 is an abundant number, since it is smaller than the sum of its proper divisors (306807029382386).

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

210120213220000 is an equidigital number, since it uses as much as digits as its factorization.

210120213220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10506010691 (or 10506010668 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 210120213220000 its reverse (22312021012), we get a palindrome (210142525241012).

The spelling of 210120213220000 in words is "two hundred ten trillion, one hundred twenty billion, two hundred thirteen million, two hundred twenty thousand".