12050515420 has 24 divisors (see below), whose sum is σ = 25366496400. Its totient is φ = 4808698752.

The previous prime is 12050515409. The next prime is 12050515429. The reversal of 12050515420 is 2451505021.

It is a super-3 number, since 3×12050515420³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12050515429) 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, 710625 + ... + 727384.

It is an arithmetic number, because the mean of its divisors is an integer number (1056937350).

Almost surely, 2^12050515420 is an apocalyptic number.

12050515420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12050515420 is an abundant number, since it is smaller than the sum of its proper divisors (13315980980).

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

12050515420 is a wasteful number, since it uses less digits than its factorization.

12050515420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438437 (or 1438435 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The spelling of 12050515420 in words is "twelve billion, fifty million, five hundred fifteen thousand, four hundred twenty".