2130636121520 has 160 divisors (see below), whose sum is σ = 5265718061760. Its totient is φ = 798978539520.

The previous prime is 2130636121513. The next prime is 2130636121547. The reversal of 2130636121520 is 251216360312.

It is a happy number.

It is a super-2 number, since 2×2130636121520² (a number of 25 digits) contains 22 as substring.

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, 467140040 + ... + 467144600.

It is an arithmetic number, because the mean of its divisors is an integer number (32910737886).

Almost surely, 2^{2130636121520} is an apocalyptic number.

2130636121520 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 2130636121520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2632859030880).

2130636121520 is an abundant number, since it is smaller than the sum of its proper divisors (3135081940240).

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

2130636121520 is a wasteful number, since it uses less digits than its factorization.

2130636121520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5863 (or 5857 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 2130636121520 in words is "two trillion, one hundred thirty billion, six hundred thirty-six million, one hundred twenty-one thousand, five hundred twenty".