12901262530 has 32 divisors (see below), whose sum is σ = 25035527664. Its totient is φ = 4758414336.

The previous prime is 12901262503. The next prime is 12901262531. The reversal of 12901262530 is 3526210921.

It can be written as a sum of positive squares in 8 ways, for example, as 1102306401 + 11798956129 = 33201^2 + 108623^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12901262492 and 12901262501.

It is not an unprimeable number, because it can be changed into a prime (12901262531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68854 + ... + 174766.

Almost surely, 2^12901262530 is an apocalyptic number.

12901262530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12901262530 is a deficient number, since it is larger than the sum of its proper divisors (12134265134).

12901262530 is a wasteful number, since it uses less digits than its factorization.

12901262530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106870.

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 12901262530 in words is "twelve billion, nine hundred one million, two hundred sixty-two thousand, five hundred thirty".