2212122201012 has 18 divisors (see below), whose sum is σ = 5591753341538. Its totient is φ = 737374066992.

The previous prime is 2212122200983. The next prime is 2212122201031. The reversal of 2212122201012 is 2101022212122.

It is a happy number.

2212122201012 is a `hidden beast` number, since 221 + 212 + 220 + 1 + 0 + 12 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2146916535696 + 65205665316 = 1465236^2 + 255354^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30723919423 + ... + 30723919494.

Almost surely, 2^{2212122201012} is an apocalyptic number.

It is an amenable number.

2212122201012 is an abundant number, since it is smaller than the sum of its proper divisors (3379631140526).

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

2212122201012 is a wasteful number, since it uses less digits than its factorization.

2212122201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61447838927 (or 61447838922 counting only the distinct ones).

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

Adding to 2212122201012 its reverse (2101022212122), we get a palindrome (4313144413134).

The spelling of 2212122201012 in words is "two trillion, two hundred twelve billion, one hundred twenty-two million, two hundred one thousand, twelve".