12100001011222 has 128 divisors (see below), whose sum is σ = 20261767680000. Its totient is φ = 5395067897856.

The previous prime is 12100001011117. The next prime is 12100001011237. The reversal of 12100001011222 is 22211010000121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6132792228 + ... + 6132794200.

It is an arithmetic number, because the mean of its divisors is an integer number (158295060000).

Almost surely, 2^{12100001011222} is an apocalyptic number.

12100001011222 is a deficient number, since it is larger than the sum of its proper divisors (8161766668778).

12100001011222 is a wasteful number, since it uses less digits than its factorization.

12100001011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2830.

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

Adding to 12100001011222 its reverse (22211010000121), we get a palindrome (34311011011343).

It can be divided in two parts, 1210000 and 1011222, that added together give a palindrome (2221222).

The spelling of 12100001011222 in words is "twelve trillion, one hundred billion, one million, eleven thousand, two hundred twenty-two".