1197612216 has 40 divisors (see below), whose sum is σ = 3354424920. Its totient is φ = 399203856.

The previous prime is 1197612133. The next prime is 1197612223. The reversal of 1197612216 is 6122167911.

1197612216 is a `hidden beast` number, since 1 + 19 + 7 + 612 + 21 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 923436 + ... + 924731.

It is an arithmetic number, because the mean of its divisors is an integer number (83860623).

Almost surely, 2^1197612216 is an apocalyptic number.

It is an amenable number.

1197612216 is an abundant number, since it is smaller than the sum of its proper divisors (2156812704).

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

1197612216 is a wasteful number, since it uses less digits than its factorization.

1197612216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1848185 (or 1848172 counting only the distinct ones).

The product of its digits is 9072, while the sum is 36.

The square root of 1197612216 is about 34606.5342962857. The cubic root of 1197612216 is about 1061.9532680768.

The spelling of 1197612216 in words is "one billion, one hundred ninety-seven million, six hundred twelve thousand, two hundred sixteen".