12362776420 has 24 divisors (see below), whose sum is σ = 25967007864. Its totient is φ = 4944124416.

The previous prime is 12362776411. The next prime is 12362776429. The reversal of 12362776420 is 2467726321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12362776411) and next prime (12362776429).

It can be written as a sum of positive squares in 4 ways, for example, as 426339904 + 11936436516 = 20648^2 + 109254^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12362776429) 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, 45724 + ... + 163756.

It is an arithmetic number, because the mean of its divisors is an integer number (1081958661).

Almost surely, 2^12362776420 is an apocalyptic number.

12362776420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12362776420 is an abundant number, since it is smaller than the sum of its proper divisors (13604231444).

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

12362776420 is a wasteful number, since it uses less digits than its factorization.

12362776420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123279 (or 123277 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 40.

The spelling of 12362776420 in words is "twelve billion, three hundred sixty-two million, seven hundred seventy-six thousand, four hundred twenty".