210120012119490 has 128 divisors (see below), whose sum is σ = 553376118712320. Its totient is φ = 50638015296000.

The previous prime is 210120012119489. The next prime is 210120012119533. The reversal of 210120012119490 is 94911210021012.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 191844915 + ... + 192937065.

It is an arithmetic number, because the mean of its divisors is an integer number (4323250927440).

Almost surely, 2^{210120012119490} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210120012119490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276688059356160).

210120012119490 is an abundant number, since it is smaller than the sum of its proper divisors (343256106592830).

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

210120012119490 is a wasteful number, since it uses less digits than its factorization.

210120012119490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095608.

The product of its (nonzero) digits is 2592, while the sum is 33.

The spelling of 210120012119490 in words is "two hundred ten trillion, one hundred twenty billion, twelve million, one hundred nineteen thousand, four hundred ninety".