12010221112 has 8 divisors (see below), whose sum is σ = 22519164600. Its totient is φ = 6005110552.

The previous prime is 12010221079. The next prime is 12010221151. The reversal of 12010221112 is 21112201021.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×12010221112² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12010221092 and 12010221101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 750638812 + ... + 750638827.

It is an arithmetic number, because the mean of its divisors is an integer number (2814895575).

Almost surely, 2^12010221112 is an apocalyptic number.

It is an amenable number.

12010221112 is a deficient number, since it is larger than the sum of its proper divisors (10508943488).

12010221112 is a wasteful number, since it uses less digits than its factorization.

12010221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501277645 (or 1501277641 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12010221112 its reverse (21112201021), we get a palindrome (33122422133).

The spelling of 12010221112 in words is "twelve billion, ten million, two hundred twenty-one thousand, one hundred twelve".