12025261420 has 24 divisors (see below), whose sum is σ = 25270139664. Its totient is φ = 4806849216.

The previous prime is 12025261379. The next prime is 12025261427. The reversal of 12025261420 is 2416252021.

It is not an unprimeable number, because it can be changed into a prime (12025261427) 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, 173059 + ... + 232378.

It is an arithmetic number, because the mean of its divisors is an integer number (1052922486).

Almost surely, 2^12025261420 is an apocalyptic number.

12025261420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12025261420 is an abundant number, since it is smaller than the sum of its proper divisors (13244878244).

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

12025261420 is a wasteful number, since it uses less digits than its factorization.

12025261420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406929 (or 406927 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The spelling of 12025261420 in words is "twelve billion, twenty-five million, two hundred sixty-one thousand, four hundred twenty".