20120020212122 has 8 divisors (see below), whose sum is σ = 31220721018900. Its totient is φ = 9713113205824.

The previous prime is 20120020212113. The next prime is 20120020212133. The reversal of 20120020212122 is 22121202002102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20097297966001 + 22722246121 = 4483001^2 + 150739^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20120020212122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173448450047 + ... + 173448450162.

Almost surely, 2^{20120020212122} is an apocalyptic number.

20120020212122 is a deficient number, since it is larger than the sum of its proper divisors (11100700806778).

20120020212122 is a wasteful number, since it uses less digits than its factorization.

20120020212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346896900240.

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

Adding to 20120020212122 its reverse (22121202002102), we get a palindrome (42241222214224).

The spelling of 20120020212122 in words is "twenty trillion, one hundred twenty billion, twenty million, two hundred twelve thousand, one hundred twenty-two".