22020112012212 has 384 divisors, whose sum is σ = 61031577600000. Its totient is φ = 6864204124800.

The previous prime is 22020112012201. The next prime is 22020112012243. The reversal of 22020112012212 is 21221021102022.

It is a happy number.

22020112012212 is a `hidden beast` number, since 220 + 20 + 1 + 1 + 201 + 221 + 2 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 11015562789 + ... + 11015564787.

It is an arithmetic number, because the mean of its divisors is an integer number (158936400000).

Almost surely, 2^{22020112012212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22020112012212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30515788800000).

22020112012212 is an abundant number, since it is smaller than the sum of its proper divisors (39011465587788).

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

22020112012212 is a wasteful number, since it uses less digits than its factorization.

22020112012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2265 (or 2211 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22020112012212 its reverse (21221021102022), we get a palindrome (43241133114234).

The spelling of 22020112012212 in words is "twenty-two trillion, twenty billion, one hundred twelve million, twelve thousand, two hundred twelve".