2012112220022 has 4 divisors (see below), whose sum is σ = 3018168330036. Its totient is φ = 1006056110010.

The previous prime is 2012112219979. The next prime is 2012112220039. The reversal of 2012112220022 is 2200222112102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2012112220022² (a number of 25 digits) contains 22 as substring.

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, 503028055004 + ... + 503028055007.

It is an arithmetic number, because the mean of its divisors is an integer number (754542082509).

Almost surely, 2^{2012112220022} is an apocalyptic number.

2012112220022 is a deficient number, since it is larger than the sum of its proper divisors (1006056110014).

2012112220022 is a wasteful number, since it uses less digits than its factorization.

2012112220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006056110013.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2012112220022 its reverse (2200222112102), we get a palindrome (4212334332124).

The spelling of 2012112220022 in words is "two trillion, twelve billion, one hundred twelve million, two hundred twenty thousand, twenty-two".