12227507045400 has 96 divisors (see below), whose sum is σ = 37946881958400. Its totient is φ = 3257089180800.

The previous prime is 12227507045399. The next prime is 12227507045441. The reversal of 12227507045400 is 454070572221.

It is a happy number.

It is a super-2 number, since 2×12227507045400² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10638460 + ... + 11731659.

It is an arithmetic number, because the mean of its divisors is an integer number (395280020400).

Almost surely, 2^{12227507045400} is an apocalyptic number.

12227507045400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12227507045400 is an abundant number, since it is smaller than the sum of its proper divisors (25719374913000).

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

12227507045400 is a wasteful number, since it uses less digits than its factorization.

12227507045400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22371049 (or 22371040 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 39.

The spelling of 12227507045400 in words is "twelve trillion, two hundred twenty-seven billion, five hundred seven million, forty-five thousand, four hundred".