7212276340872 has 128 divisors (see below), whose sum is σ = 19424527488000. Its totient is φ = 2226435563520.

The previous prime is 7212276340817. The next prime is 7212276340873. The reversal of 7212276340872 is 2780436722127.

It is not an unprimeable number, because it can be changed into a prime (7212276340873) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 959004 + ... + 3917172.

It is an arithmetic number, because the mean of its divisors is an integer number (151754121000).

Almost surely, 2^{7212276340872} 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 7212276340872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9712263744000).

7212276340872 is an abundant number, since it is smaller than the sum of its proper divisors (12212251147128).

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

7212276340872 is a wasteful number, since it uses less digits than its factorization.

7212276340872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2958351 (or 2958347 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 51.

The spelling of 7212276340872 in words is "seven trillion, two hundred twelve billion, two hundred seventy-six million, three hundred forty thousand, eight hundred seventy-two".