20120202021222 has 36 divisors (see below), whose sum is σ = 46308954029676. Its totient is φ = 6312220240320.

The previous prime is 20120202021193. The next prime is 20120202021247. The reversal of 20120202021222 is 22212020202102.

20120202021222 is a `hidden beast` number, since 201 + 20 + 20 + 202 + 1 + 222 = 666.

It is a super-3 number, since 3×20120202021222³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20120202021195 and 20120202021204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1933885804 + ... + 1933896207.

Almost surely, 2^{20120202021222} is an apocalyptic number.

20120202021222 is an abundant number, since it is smaller than the sum of its proper divisors (26188752008454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20120202021222 is a wasteful number, since it uses less digits than its factorization.

20120202021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3867782053 (or 3867782033 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20120202021222 its reverse (22212020202102), we get a palindrome (42332222223324).

The spelling of 20120202021222 in words is "twenty trillion, one hundred twenty billion, two hundred two million, twenty-one thousand, two hundred twenty-two".