1245450656200 has 48 divisors (see below), whose sum is σ = 2900366211780. Its totient is φ = 497372789760.

The previous prime is 1245450656173. The next prime is 1245450656249. The reversal of 1245450656200 is 26560545421.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 55566747076 + 1189883909124 = 235726^2 + 1090818^2 .

It is a super-2 number, since 2×1245450656200² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4922997 + ... + 5169796.

Almost surely, 2^{1245450656200} is an apocalyptic number.

1245450656200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1245450656200 is an abundant number, since it is smaller than the sum of its proper divisors (1654915555580).

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

1245450656200 is a wasteful number, since it uses less digits than its factorization.

1245450656200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10093426 (or 10093417 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 1245450656200 in words is "one trillion, two hundred forty-five billion, four hundred fifty million, six hundred fifty-six thousand, two hundred".