1290012875129 has 8 divisors (see below), whose sum is σ = 1407750189888. Its totient is φ = 1172352796560.

The previous prime is 1290012875069. The next prime is 1290012875141. The reversal of 1290012875129 is 9215782100921.

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

It is not a de Polignac number, because 1290012875129 - 2¹⁶ = 1290012809593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1290012878129) 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, 19274117 + ... + 19340930.

It is an arithmetic number, because the mean of its divisors is an integer number (175968773736).

Almost surely, 2^{1290012875129} is an apocalyptic number.

It is an amenable number.

1290012875129 is a deficient number, since it is larger than the sum of its proper divisors (117737314759).

1290012875129 is a wasteful number, since it uses less digits than its factorization.

1290012875129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38618095.

The product of its (nonzero) digits is 181440, while the sum is 47.

The spelling of 1290012875129 in words is "one trillion, two hundred ninety billion, twelve million, eight hundred seventy-five thousand, one hundred twenty-nine".