201212120022 has 32 divisors (see below), whose sum is σ = 416317426272. Its totient is φ = 64781639424.

The previous prime is 201212120017. The next prime is 201212120023. The reversal of 201212120022 is 220021212102.

It is a junction number, because it is equal to n+sod(n) for n = 201212119983 and 201212120010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201212120023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3277473 + ... + 3338300.

It is an arithmetic number, because the mean of its divisors is an integer number (13009919571).

Almost surely, 2^201212120022 is an apocalyptic number.

201212120022 is an abundant number, since it is smaller than the sum of its proper divisors (215105306250).

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

201212120022 is a wasteful number, since it uses less digits than its factorization.

201212120022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6615952.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 201212120022 its reverse (220021212102), we get a palindrome (421233332124).

The spelling of 201212120022 in words is "two hundred one billion, two hundred twelve million, one hundred twenty thousand, twenty-two".