12420870412 has 48 divisors (see below), whose sum is σ = 24033300480. Its totient is φ = 5586907392.

The previous prime is 12420870401. The next prime is 12420870421. The reversal of 12420870412 is 21407802421.

It is a super-3 number, since 3×12420870412³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3500023 + ... + 3503569.

It is an arithmetic number, because the mean of its divisors is an integer number (500693760).

Almost surely, 2^12420870412 is an apocalyptic number.

It is an amenable number.

12420870412 is a deficient number, since it is larger than the sum of its proper divisors (11612430068).

12420870412 is a wasteful number, since it uses less digits than its factorization.

12420870412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5830 (or 5828 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The spelling of 12420870412 in words is "twelve billion, four hundred twenty million, eight hundred seventy thousand, four hundred twelve".