11015120412012 has 96 divisors (see below), whose sum is σ = 26265601893888. Its totient is φ = 3591612969984.

The previous prime is 11015120411989. The next prime is 11015120412029. The reversal of 11015120412012 is 21021402151011.

It is a super-2 number, since 2×11015120412012² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11015120412012.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 419402793 + ... + 419429055.

It is an arithmetic number, because the mean of its divisors is an integer number (273600019728).

Almost surely, 2^{11015120412012} is an apocalyptic number.

11015120412012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11015120412012 is an abundant number, since it is smaller than the sum of its proper divisors (15250481481876).

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

11015120412012 is a wasteful number, since it uses less digits than its factorization.

11015120412012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28279 (or 28277 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 21.

Adding to 11015120412012 its reverse (21021402151011), we get a palindrome (32036522563023).

The spelling of 11015120412012 in words is "eleven trillion, fifteen billion, one hundred twenty million, four hundred twelve thousand, twelve".