1266624012 has 48 divisors (see below), whose sum is σ = 3004451072. Its totient is φ = 415229760.

The previous prime is 1266623993. The next prime is 1266624031. The reversal of 1266624012 is 2104266621.

It is an interprime number because it is at equal distance from previous prime (1266623993) and next prime (1266624031).

It is a super-2 number, since 2×1266624012² = 3208672775549952288, which contains 22 as substring.

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, 820113 + ... + 821655.

Almost surely, 2^1266624012 is an apocalyptic number.

1266624012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1266624012 is an abundant number, since it is smaller than the sum of its proper divisors (1737827060).

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

1266624012 is a wasteful number, since it uses less digits than its factorization.

1266624012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2638 (or 2636 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 1266624012 is about 35589.6615887255. The cubic root of 1266624012 is about 1081.9717102130.

The spelling of 1266624012 in words is "one billion, two hundred sixty-six million, six hundred twenty-four thousand, twelve".