1213656114 has 32 divisors (see below), whose sum is σ = 2649288960. Its totient is φ = 367592400.

The previous prime is 1213656091. The next prime is 1213656131. The reversal of 1213656114 is 4116563121.

It is a happy number.

It is a super-2 number, since 2×1213656114² = 2945922326099161992, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196209 + ... + 202299.

It is an arithmetic number, because the mean of its divisors is an integer number (82790280).

Almost surely, 2^1213656114 is an apocalyptic number.

1213656114 is an abundant number, since it is smaller than the sum of its proper divisors (1435632846).

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

1213656114 is a wasteful number, since it uses less digits than its factorization.

1213656114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9126.

The product of its digits is 4320, while the sum is 30.

The square root of 1213656114 is about 34837.5675672111. The cubic root of 1213656114 is about 1066.6744257031.

The spelling of 1213656114 in words is "one billion, two hundred thirteen million, six hundred fifty-six thousand, one hundred fourteen".