12870890138949 has 8 divisors (see below), whose sum is σ = 18064407212640. Its totient is φ = 8128983245616.

The previous prime is 12870890138933. The next prime is 12870890138963. The reversal of 12870890138949 is 94983109807821.

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

It is not a de Polignac number, because 12870890138949 - 2⁴ = 12870890138933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12870890133949) 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, 112902545022 + ... + 112902545135.

It is an arithmetic number, because the mean of its divisors is an integer number (2258050901580).

Almost surely, 2^{12870890138949} is an apocalyptic number.

12870890138949 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12870890138949 is a deficient number, since it is larger than the sum of its proper divisors (5193517073691).

12870890138949 is a wasteful number, since it uses less digits than its factorization.

12870890138949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225805090179.

The product of its (nonzero) digits is 62705664, while the sum is 69.

The spelling of 12870890138949 in words is "twelve trillion, eight hundred seventy billion, eight hundred ninety million, one hundred thirty-eight thousand, nine hundred forty-nine".