12619969980 has 48 divisors (see below), whose sum is σ = 35380947840. Its totient is φ = 3361036608.

The previous prime is 12619969963. The next prime is 12619969997. The reversal of 12619969980 is 8996991621.

It is an interprime number because it is at equal distance from previous prime (12619969963) and next prime (12619969997).

It is a super-2 number, since 2×12619969980² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86410 + ... + 180849.

It is an arithmetic number, because the mean of its divisors is an integer number (737103080).

Almost surely, 2^12619969980 is an apocalyptic number.

12619969980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12619969980 is an abundant number, since it is smaller than the sum of its proper divisors (22760977860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12619969980 is a wasteful number, since it uses less digits than its factorization.

12619969980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268058 (or 268056 counting only the distinct ones).

The product of its (nonzero) digits is 3779136, while the sum is 60.

The spelling of 12619969980 in words is "twelve billion, six hundred nineteen million, nine hundred sixty-nine thousand, nine hundred eighty".