201211212202 has 128 divisors (see below), whose sum is σ = 424087695360. Its totient is φ = 69015767040.

The previous prime is 201211212197. The next prime is 201211212247. The reversal of 201211212202 is 202212112102.

It is a happy number.

201211212202 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16248049 + ... + 16260427.

It is an arithmetic number, because the mean of its divisors is an integer number (3313185120).

Almost surely, 2^201211212202 is an apocalyptic number.

201211212202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201211212202 is an abundant number, since it is smaller than the sum of its proper divisors (222876483158).

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

201211212202 is a wasteful number, since it uses less digits than its factorization.

201211212202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12788.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201211212202 its reverse (202212112102), we get a palindrome (403423324304).

The spelling of 201211212202 in words is "two hundred one billion, two hundred eleven million, two hundred twelve thousand, two hundred two".