11222666712 has 48 divisors (see below), whose sum is σ = 30695680080. Its totient is φ = 3703848000.

The previous prime is 11222666701. The next prime is 11222666789. The reversal of 11222666712 is 21766622211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 764364 + ... + 778907.

It is an arithmetic number, because the mean of its divisors is an integer number (639493335).

Almost surely, 2^11222666712 is an apocalyptic number.

11222666712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11222666712 is an abundant number, since it is smaller than the sum of its proper divisors (19473013368).

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

11222666712 is a wasteful number, since it uses less digits than its factorization.

11222666712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543384 (or 1543377 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The spelling of 11222666712 in words is "eleven billion, two hundred twenty-two million, six hundred sixty-six thousand, seven hundred twelve".