12311204000420 has 48 divisors (see below), whose sum is σ = 27997804820160. Its totient is φ = 4520280471936.

The previous prime is 12311204000399. The next prime is 12311204000483. The reversal of 12311204000420 is 2400040211321.

12311204000420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12311204000420² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12311204000392 and 12311204000401.

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, 132218222 + ... + 132311301.

It is an arithmetic number, because the mean of its divisors is an integer number (583287600420).

Almost surely, 2^{12311204000420} is an apocalyptic number.

12311204000420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12311204000420 is an abundant number, since it is smaller than the sum of its proper divisors (15686600819740).

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

12311204000420 is a wasteful number, since it uses less digits than its factorization.

12311204000420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264529724 (or 264529722 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12311204000420 its reverse (2400040211321), we get a palindrome (14711244211741).

The spelling of 12311204000420 in words is "twelve trillion, three hundred eleven billion, two hundred four million, four hundred twenty", and thus it is an aban number.