1250305415220 has 24 divisors (see below), whose sum is σ = 3500855162784. Its totient is φ = 333414777376.

The previous prime is 1250305415209. The next prime is 1250305415251. The reversal of 1250305415220 is 225145030521.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10419211734 + ... + 10419211853.

It is an arithmetic number, because the mean of its divisors is an integer number (145868965116).

Almost surely, 2^{1250305415220} is an apocalyptic number.

1250305415220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1250305415220 is an abundant number, since it is smaller than the sum of its proper divisors (2250549747564).

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

1250305415220 is a wasteful number, since it uses less digits than its factorization.

1250305415220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20838423599 (or 20838423597 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 1250305415220 in words is "one trillion, two hundred fifty billion, three hundred five million, four hundred fifteen thousand, two hundred twenty".