2012122222372 has 6 divisors (see below), whose sum is σ = 3521213889158. Its totient is φ = 1006061111184.

The previous prime is 2012122222277. The next prime is 2012122222373. The reversal of 2012122222372 is 2732222212102.

It can be written as a sum of positive squares in only one way, i.e., 1177884772416 + 834237449956 = 1085304^2 + 913366^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2012122222372.

It is not an unprimeable number, because it can be changed into a prime (2012122222373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251515277793 + ... + 251515277800.

Almost surely, 2^{2012122222372} is an apocalyptic number.

It is an amenable number.

2012122222372 is a deficient number, since it is larger than the sum of its proper divisors (1509091666786).

2012122222372 is a wasteful number, since it uses less digits than its factorization.

2012122222372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503030555597 (or 503030555595 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

Adding to 2012122222372 its reverse (2732222212102), we get a palindrome (4744344434474).

The spelling of 2012122222372 in words is "two trillion, twelve billion, one hundred twenty-two million, two hundred twenty-two thousand, three hundred seventy-two".