2202122121212 has 48 divisors (see below), whose sum is σ = 4155174912000. Its totient is φ = 1015135063488.

The previous prime is 2202122121203. The next prime is 2202122121247. The reversal of 2202122121212 is 2121212212022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167035973 + ... + 167049155.

It is an arithmetic number, because the mean of its divisors is an integer number (86566144000).

Almost surely, 2^{2202122121212} is an apocalyptic number.

It is an amenable number.

2202122121212 is a deficient number, since it is larger than the sum of its proper divisors (1953052790788).

2202122121212 is a wasteful number, since it uses less digits than its factorization.

2202122121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16842 (or 16840 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2202122121212 its reverse (2121212212022), we get a palindrome (4323334333234).

The spelling of 2202122121212 in words is "two trillion, two hundred two billion, one hundred twenty-two million, one hundred twenty-one thousand, two hundred twelve".