20120202121222 has 32 divisors (see below), whose sum is σ = 34746586459200. Its totient is φ = 8559251957760.

The previous prime is 20120202121189. The next prime is 20120202121231. The reversal of 20120202121222 is 22212120202102.

It is a super-3 number, since 3×20120202121222³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20120202121222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21696822 + ... + 22605142.

It is an arithmetic number, because the mean of its divisors is an integer number (1085830826850).

Almost surely, 2^{20120202121222} is an apocalyptic number.

20120202121222 is a deficient number, since it is larger than the sum of its proper divisors (14626384337978).

20120202121222 is a wasteful number, since it uses less digits than its factorization.

20120202121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920016.

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

Adding to 20120202121222 its reverse (22212120202102), we get a palindrome (42332322323324).

The spelling of 20120202121222 in words is "twenty trillion, one hundred twenty billion, two hundred two million, one hundred twenty-one thousand, two hundred twenty-two".