7212002152100 has 144 divisors (see below), whose sum is σ = 16220192841216. Its totient is φ = 2781585408000.

The previous prime is 7212002152099. The next prime is 7212002152111. The reversal of 7212002152100 is 12512002127.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 494202404 + ... + 494216996.

It is an arithmetic number, because the mean of its divisors is an integer number (112640228064).

Almost surely, 2^{7212002152100} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7212002152100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8110096420608).

7212002152100 is an abundant number, since it is smaller than the sum of its proper divisors (9008190689116).

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

7212002152100 is a wasteful number, since it uses less digits than its factorization.

7212002152100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16206 (or 16199 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 23.

Adding to 7212002152100 its reverse (12512002127), we get a palindrome (7224514154227).

The spelling of 7212002152100 in words is "seven trillion, two hundred twelve billion, two million, one hundred fifty-two thousand, one hundred".