210404451402120 has 64 divisors (see below), whose sum is σ = 637462991413440. Its totient is φ = 55552330400000.

The previous prime is 210404451402113. The next prime is 210404451402127. The reversal of 210404451402120 is 21204154404012.

210404451402120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (210404451402113) and next prime (210404451402127).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (210404451402127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8680039506 + ... + 8680063745.

It is an arithmetic number, because the mean of its divisors is an integer number (9960359240835).

Almost surely, 2^{210404451402120} is an apocalyptic number.

210404451402120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210404451402120 is an abundant number, since it is smaller than the sum of its proper divisors (427058540011320).

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

210404451402120 is a wasteful number, since it uses less digits than its factorization.

210404451402120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17360103366 (or 17360103362 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 30.

The spelling of 210404451402120 in words is "two hundred ten trillion, four hundred four billion, four hundred fifty-one million, four hundred two thousand, one hundred twenty".