7212102201 has 24 divisors (see below), whose sum is σ = 10886578560. Its totient is φ = 4596320736.

The previous prime is 7212102199. The next prime is 7212102257. The reversal of 7212102201 is 1022012127.

It is a happy number.

It is not a de Polignac number, because 7212102201 - 2¹ = 7212102199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7212102701) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 180066 + ... + 216443.

It is an arithmetic number, because the mean of its divisors is an integer number (453607440).

Almost surely, 2^7212102201 is an apocalyptic number.

It is an amenable number.

7212102201 is a deficient number, since it is larger than the sum of its proper divisors (3674476359).

7212102201 is a wasteful number, since it uses less digits than its factorization.

7212102201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396605 (or 396602 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 7212102201 is about 84924.0967040569. The cubic root of 7212102201 is about 1932.0600660633.

Adding to 7212102201 its reverse (1022012127), we get a palindrome (8234114328).

The spelling of 7212102201 in words is "seven billion, two hundred twelve million, one hundred two thousand, two hundred one".