12101522223 has 16 divisors (see below), whose sum is σ = 18575020800. Its totient is φ = 6864678336.

The previous prime is 12101522183. The next prime is 12101522231. The reversal of 12101522223 is 32222510121.

It is not a de Polignac number, because 12101522223 - 2¹² = 12101518127 is a prime.

It is a super-2 number, since 2×12101522223² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 12101522223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101527223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2100273 + ... + 2106026.

It is an arithmetic number, because the mean of its divisors is an integer number (1160938800).

Almost surely, 2^12101522223 is an apocalyptic number.

12101522223 is a deficient number, since it is larger than the sum of its proper divisors (6473498577).

12101522223 is a wasteful number, since it uses less digits than its factorization.

12101522223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4206446.

The product of its (nonzero) digits is 480, while the sum is 21.

The spelling of 12101522223 in words is "twelve billion, one hundred one million, five hundred twenty-two thousand, two hundred twenty-three".