1523012220130 has 16 divisors (see below), whose sum is σ = 2749188070584. Its totient is φ = 607479093760.

The previous prime is 1523012220109. The next prime is 1523012220179. The reversal of 1523012220130 is 310222103251.

It can be written as a sum of positive squares in 4 ways, for example, as 665371384209 + 857640835921 = 815703^2 + 926089^2 .

It is a super-3 number, since 3×1523012220130³ (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215720581 + ... + 215727640.

Almost surely, 2^{1523012220130} is an apocalyptic number.

1523012220130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1523012220130 is a deficient number, since it is larger than the sum of its proper divisors (1226175850454).

1523012220130 is a wasteful number, since it uses less digits than its factorization.

1523012220130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431448581.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 1523012220130 its reverse (310222103251), we get a palindrome (1833234323381).

The spelling of 1523012220130 in words is "one trillion, five hundred twenty-three billion, twelve million, two hundred twenty thousand, one hundred thirty".