7212002202 has 24 divisors (see below), whose sum is σ = 15716335284. Its totient is φ = 2390103744.

The previous prime is 7212002129. The next prime is 7212002207. The reversal of 7212002202 is 2022002127.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5596685721 + 1615316481 = 74811^2 + 40191^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (7212002207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1154883 + ... + 1161110.

Almost surely, 2^7212002202 is an apocalyptic number.

7212002202 is an abundant number, since it is smaller than the sum of its proper divisors (8504333082).

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

7212002202 is a wasteful number, since it uses less digits than its factorization.

7212002202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2316174 (or 2316171 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 7212002202 is about 84923.5079468577. The cubic root of 7212002202 is about 1932.0511363984.

Adding to 7212002202 its reverse (2022002127), we get a palindrome (9234004329).

The spelling of 7212002202 in words is "seven billion, two hundred twelve million, two thousand, two hundred two".