1266536112 has 40 divisors (see below), whose sum is σ = 3273165504. Its totient is φ = 422013504.

The previous prime is 1266536087. The next prime is 1266536123. The reversal of 1266536112 is 2116356621.

It is a super-2 number, since 2×1266536112² = 3208227446000153088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220023 + ... + 225705.

Almost surely, 2^1266536112 is an apocalyptic number.

1266536112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1266536112 is an abundant number, since it is smaller than the sum of its proper divisors (2006629392).

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

1266536112 is a wasteful number, since it uses less digits than its factorization.

1266536112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10337 (or 10331 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 1266536112 is about 35588.4266581146. The cubic root of 1266536112 is about 1081.9466810771.

The spelling of 1266536112 in words is "one billion, two hundred sixty-six million, five hundred thirty-six thousand, one hundred twelve".