11312000012 has 12 divisors (see below), whose sum is σ = 19797561000. Its totient is φ = 5655554016.

The previous prime is 11311999969. The next prime is 11312000023. The reversal of 11312000012 is 21000021311.

It is a super-2 number, since 2×11312000012² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11311999957 and 11312000002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50753 + ... + 158744.

It is an arithmetic number, because the mean of its divisors is an integer number (1649796750).

Almost surely, 2^11312000012 is an apocalyptic number.

It is an amenable number.

11312000012 is a deficient number, since it is larger than the sum of its proper divisors (8485560988).

11312000012 is a wasteful number, since it uses less digits than its factorization.

11312000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223000 (or 222998 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 11312000012 its reverse (21000021311), we get a palindrome (32312021323).

The spelling of 11312000012 in words is "eleven billion, three hundred twelve million, twelve", and thus it is an aban number.