1225576612216 has 16 divisors (see below), whose sum is σ = 2506861252440. Its totient is φ = 557080278240.

The previous prime is 1225576612189. The next prime is 1225576612241. The reversal of 1225576612216 is 6122166755221.

It is a happy number.

It is a congruent number.

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, 6963503391 + ... + 6963503566.

Almost surely, 2^{1225576612216} is an apocalyptic number.

It is an amenable number.

1225576612216 is an abundant number, since it is smaller than the sum of its proper divisors (1281284640224).

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

1225576612216 is a wasteful number, since it uses less digits than its factorization.

1225576612216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13927006974 (or 13927006970 counting only the distinct ones).

The product of its digits is 604800, while the sum is 46.

The spelling of 1225576612216 in words is "one trillion, two hundred twenty-five billion, five hundred seventy-six million, six hundred twelve thousand, two hundred sixteen".