11123215314012 has 120 divisors (see below), whose sum is σ = 30610166935040. Its totient is φ = 3512428025760.

The previous prime is 11123215313981. The next prime is 11123215314019. The reversal of 11123215314012 is 21041351232111.

11123215314012 is a `hidden beast` number, since 1 + 1 + 12 + 3 + 215 + 31 + 401 + 2 = 666.

It is a super-2 number, since 2×11123215314012² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11123215314019) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 234193587 + ... + 234241077.

Almost surely, 2^{11123215314012} is an apocalyptic number.

11123215314012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11123215314012 is an abundant number, since it is smaller than the sum of its proper divisors (19486951621028).

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

11123215314012 is a wasteful number, since it uses less digits than its factorization.

11123215314012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85573 (or 85562 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

Adding to 11123215314012 its reverse (21041351232111), we get a palindrome (32164566546123).

The spelling of 11123215314012 in words is "eleven trillion, one hundred twenty-three billion, two hundred fifteen million, three hundred fourteen thousand, twelve".