2202120212212 has 6 divisors (see below), whose sum is σ = 3853710371378. Its totient is φ = 1101060106104.

The previous prime is 2202120212179. The next prime is 2202120212263. The reversal of 2202120212212 is 2122120212022.

It can be written as a sum of positive squares in only one way, i.e., 2197764740196 + 4355472016 = 1482486^2 + 65996^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2202120212212.

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, 275265026523 + ... + 275265026530.

Almost surely, 2^{2202120212212} is an apocalyptic number.

It is an amenable number.

2202120212212 is a deficient number, since it is larger than the sum of its proper divisors (1651590159166).

2202120212212 is a wasteful number, since it uses less digits than its factorization.

2202120212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550530053057 (or 550530053055 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2202120212212 its reverse (2122120212022), we get a palindrome (4324240424234).

The spelling of 2202120212212 in words is "two trillion, two hundred two billion, one hundred twenty million, two hundred twelve thousand, two hundred twelve".