210948402120 has 128 divisors (see below), whose sum is σ = 667133107200. Its totient is φ = 53213808384.

The previous prime is 210948402109. The next prime is 210948402149. The reversal of 210948402120 is 21204849012.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1489509 + ... + 1624971.

It is an arithmetic number, because the mean of its divisors is an integer number (5211977400).

Almost surely, 2^210948402120 is an apocalyptic number.

210948402120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210948402120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333566553600).

210948402120 is an abundant number, since it is smaller than the sum of its proper divisors (456184705080).

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

210948402120 is a wasteful number, since it uses less digits than its factorization.

210948402120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136179 (or 136175 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The spelling of 210948402120 in words is "two hundred ten billion, nine hundred forty-eight million, four hundred two thousand, one hundred twenty".