20120001111222 has 64 divisors (see below), whose sum is σ = 41515114291200. Its totient is φ = 6497179413120.

The previous prime is 20120001111209. The next prime is 20120001111239. The reversal of 20120001111222 is 22211110002102.

It is a congruent number.

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, 30131104 + ... + 30791612.

It is an arithmetic number, because the mean of its divisors is an integer number (648673660800).

Almost surely, 2^{20120001111222} is an apocalyptic number.

20120001111222 is an abundant number, since it is smaller than the sum of its proper divisors (21395113179978).

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

20120001111222 is a wasteful number, since it uses less digits than its factorization.

20120001111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661661.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20120001111222 its reverse (22211110002102), we get a palindrome (42331111113324).

The spelling of 20120001111222 in words is "twenty trillion, one hundred twenty billion, one million, one hundred eleven thousand, two hundred twenty-two".