11252280012 has 48 divisors (see below), whose sum is σ = 26979358560. Its totient is φ = 3647434752.

The previous prime is 11252280001. The next prime is 11252280023. The reversal of 11252280012 is 21008225211.

It is an interprime number because it is at equal distance from previous prime (11252280001) and next prime (11252280023).

It is a super-2 number, since 2×11252280012² (a number of 21 digits) 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, 987564 + ... + 998892.

It is an arithmetic number, because the mean of its divisors is an integer number (562069970).

Almost surely, 2^11252280012 is an apocalyptic number.

11252280012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11252280012 is an abundant number, since it is smaller than the sum of its proper divisors (15727078548).

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

11252280012 is a wasteful number, since it uses less digits than its factorization.

11252280012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13610 (or 13608 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 24.

The spelling of 11252280012 in words is "eleven billion, two hundred fifty-two million, two hundred eighty thousand, twelve".