1210005005130 has 128 divisors (see below), whose sum is σ = 3235039568640. Its totient is φ = 321833191680.

The previous prime is 1210005005087. The next prime is 1210005005161. The reversal of 1210005005130 is 315005000121.

1210005005130 is a `hidden beast` number, since 1 + 2 + 100 + 0 + 50 + 0 + 513 + 0 = 666.

It is a super-2 number, since 2×1210005005130² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 195064609 + ... + 195070811.

It is an arithmetic number, because the mean of its divisors is an integer number (25273746630).

Almost surely, 2^{1210005005130} is an apocalyptic number.

1210005005130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1210005005130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1617519784320).

1210005005130 is an abundant number, since it is smaller than the sum of its proper divisors (2025034563510).

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

1210005005130 is a wasteful number, since it uses less digits than its factorization.

1210005005130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7973 (or 7967 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The spelling of 1210005005130 in words is "one trillion, two hundred ten billion, five million, five thousand, one hundred thirty".