12986542035 has 48 divisors (see below), whose sum is σ = 23422898304. Its totient is φ = 6650831616.

The previous prime is 12986542033. The next prime is 12986542039. The reversal of 12986542035 is 53024568921.

12986542035 is a `hidden beast` number, since 1 + 29 + 86 + 542 + 0 + 3 + 5 = 666.

It is not a de Polignac number, because 12986542035 - 2¹ = 12986542033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (12986542033) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54169 + ... + 170021.

It is an arithmetic number, because the mean of its divisors is an integer number (487977048).

Almost surely, 2^12986542035 is an apocalyptic number.

12986542035 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12986542035 is a deficient number, since it is larger than the sum of its proper divisors (10436356269).

12986542035 is a wasteful number, since it uses less digits than its factorization.

12986542035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115964 (or 115961 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 12986542035 in words is "twelve billion, nine hundred eighty-six million, five hundred forty-two thousand, thirty-five".