22120012121202 has 96 divisors (see below), whose sum is σ = 49091019584256. Its totient is φ = 7196400288000.

The previous prime is 22120012121153. The next prime is 22120012121231. The reversal of 22120012121202 is 20212121002122.

It is a happy number.

22120012121202 is a `hidden beast` number, since 221 + 200 + 1 + 21 + 21 + 202 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 248263353 + ... + 248352435.

It is an arithmetic number, because the mean of its divisors is an integer number (511364787336).

Almost surely, 2^{22120012121202} is an apocalyptic number.

22120012121202 is an abundant number, since it is smaller than the sum of its proper divisors (26971007463054).

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

22120012121202 is a wasteful number, since it uses less digits than its factorization.

22120012121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91136 (or 91133 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22120012121202 its reverse (20212121002122), we get a palindrome (42332133123324).

The spelling of 22120012121202 in words is "twenty-two trillion, one hundred twenty billion, twelve million, one hundred twenty-one thousand, two hundred two".