212012212001022 has 160 divisors (see below), whose sum is σ = 522160571116800. Its totient is φ = 63997261270272.

The previous prime is 212012212001011. The next prime is 212012212001053. The reversal of 212012212001022 is 220100212210212.

It is a happy number.

212012212001022 is a `hidden beast` number, since 21 + 201 + 221 + 200 + 1 + 0 + 22 = 666.

212012212001022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×212012212001022² (a number of 29 digits) contains 22 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 = 212012212000986 and 212012212001004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 104406633 + ... + 106417899.

It is an arithmetic number, because the mean of its divisors is an integer number (3263503569480).

Almost surely, 2^{212012212001022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212012212001022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261080285558400).

212012212001022 is an abundant number, since it is smaller than the sum of its proper divisors (310148359115778).

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

212012212001022 is a wasteful number, since it uses less digits than its factorization.

212012212001022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2012812 (or 2012803 counting only the distinct ones).

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

Adding to 212012212001022 its reverse (220100212210212), we get a palindrome (432112424211234).

The spelling of 212012212001022 in words is "two hundred twelve trillion, twelve billion, two hundred twelve million, one thousand, twenty-two".