12540152629 has 8 divisors (see below), whose sum is σ = 13298862528. Its totient is φ = 11783782080.

The previous prime is 12540152567. The next prime is 12540152659. The reversal of 12540152629 is 92625104521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12540152629 - 2⁹ = 12540152117 is a prime.

It is a super-2 number, since 2×12540152629² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12540152659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 573787 + ... + 595240.

It is an arithmetic number, because the mean of its divisors is an integer number (1662357816).

Almost surely, 2^12540152629 is an apocalyptic number.

It is an amenable number.

12540152629 is a deficient number, since it is larger than the sum of its proper divisors (758709899).

12540152629 is a wasteful number, since it uses less digits than its factorization.

12540152629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169675.

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 12540152629 in words is "twelve billion, five hundred forty million, one hundred fifty-two thousand, six hundred twenty-nine".