201342222012 has 24 divisors (see below), whose sum is σ = 482495776336. Its totient is φ = 65300179968.

The previous prime is 201342222001. The next prime is 201342222013. The reversal of 201342222012 is 210222243102.

It is a self number, because there is not a number n which added to its sum of digits gives 201342222012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201342222013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226736293 + ... + 226737180.

Almost surely, 2^201342222012 is an apocalyptic number.

It is an amenable number.

201342222012 is an abundant number, since it is smaller than the sum of its proper divisors (281153554324).

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

201342222012 is a wasteful number, since it uses less digits than its factorization.

201342222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453473517 (or 453473515 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 201342222012 its reverse (210222243102), we get a palindrome (411564465114).

The spelling of 201342222012 in words is "two hundred one billion, three hundred forty-two million, two hundred twenty-two thousand, twelve".