210012010020120 has 512 divisors, whose sum is σ = 787698863308800. Its totient is φ = 43516801843200.

The previous prime is 210012010020103. The next prime is 210012010020139. The reversal of 210012010020120 is 21020010210012.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 210012010020096 and 210012010020105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6510571032 + ... + 6510603288.

It is an arithmetic number, because the mean of its divisors is an integer number (1538474342400).

Almost surely, 2^{210012010020120} is an apocalyptic number.

210012010020120 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 210012010020120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (393849431654400).

210012010020120 is an abundant number, since it is smaller than the sum of its proper divisors (577686853288680).

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

210012010020120 is a wasteful number, since it uses less digits than its factorization.

210012010020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34239 (or 34235 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 210012010020120 its reverse (21020010210012), we get a palindrome (231032020230132).

The spelling of 210012010020120 in words is "two hundred ten trillion, twelve billion, ten million, twenty thousand, one hundred twenty".