12293451620 has 24 divisors (see below), whose sum is σ = 25877880000. Its totient is φ = 4905641312.

The previous prime is 12293451619. The next prime is 12293451641. The reversal of 12293451620 is 2615439221.

It is a super-2 number, since 2×12293451620² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 725120 + ... + 741879.

It is an arithmetic number, because the mean of its divisors is an integer number (1078245000).

Almost surely, 2^12293451620 is an apocalyptic number.

12293451620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12293451620 is an abundant number, since it is smaller than the sum of its proper divisors (13584428380).

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

12293451620 is a wasteful number, since it uses less digits than its factorization.

12293451620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467427 (or 1467425 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 12293451620 in words is "twelve billion, two hundred ninety-three million, four hundred fifty-one thousand, six hundred twenty".