1203120015280 has 20 divisors (see below), whose sum is σ = 2797254035712. Its totient is φ = 481248006080.

The previous prime is 1203120015173. The next prime is 1203120015299. The reversal of 1203120015280 is 825100213021.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7519500016 + ... + 7519500175.

Almost surely, 2^{1203120015280} is an apocalyptic number.

1203120015280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1203120015280 is an abundant number, since it is smaller than the sum of its proper divisors (1594134020432).

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

1203120015280 is a wasteful number, since it uses less digits than its factorization.

1203120015280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15039000204 (or 15039000198 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The spelling of 1203120015280 in words is "one trillion, two hundred three billion, one hundred twenty million, fifteen thousand, two hundred eighty".