12990948195 has 32 divisors (see below), whose sum is σ = 21979367424. Its totient is φ = 6541459200.

The previous prime is 12990948169. The next prime is 12990948221. The reversal of 12990948195 is 59184909921.

It is an interprime number because it is at equal distance from previous prime (12990948169) and next prime (12990948221).

It is not a de Polignac number, because 12990948195 - 2¹¹ = 12990946147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 321637 + ... + 359766.

It is an arithmetic number, because the mean of its divisors is an integer number (686855232).

Almost surely, 2^12990948195 is an apocalyptic number.

12990948195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12990948195 is a deficient number, since it is larger than the sum of its proper divisors (8988419229).

12990948195 is a wasteful number, since it uses less digits than its factorization.

12990948195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681483.

The product of its (nonzero) digits is 2099520, while the sum is 57.

The spelling of 12990948195 in words is "twelve billion, nine hundred ninety million, nine hundred forty-eight thousand, one hundred ninety-five".