12302102040 has 32 divisors (see below), whose sum is σ = 36906306480. Its totient is φ = 3280560512.

The previous prime is 12302102039. The next prime is 12302102047. The reversal of 12302102040 is 4020120321.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12302102047) 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, 51258639 + ... + 51258878.

Almost surely, 2^12302102040 is an apocalyptic number.

12302102040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12302102040 is an abundant number, since it is smaller than the sum of its proper divisors (24604204440).

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

12302102040 is a wasteful number, since it uses less digits than its factorization.

12302102040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102517531 (or 102517527 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 12302102040 its reverse (4020120321), we get a palindrome (16322222361).

The spelling of 12302102040 in words is "twelve billion, three hundred two million, one hundred two thousand, forty".