7221012051451 has 8 divisors (see below), whose sum is σ = 7883522641008. Its totient is φ = 6559510620000.

The previous prime is 7221012051427. The next prime is 7221012051497. The reversal of 7221012051451 is 1541502101227.

7221012051451 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7221012051451 - 2³³ = 7212422116859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7221012031451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252274560 + ... + 252303181.

It is an arithmetic number, because the mean of its divisors is an integer number (985440330126).

Almost surely, 2^{7221012051451} is an apocalyptic number.

7221012051451 is a deficient number, since it is larger than the sum of its proper divisors (662510589557).

7221012051451 is a wasteful number, since it uses less digits than its factorization.

7221012051451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504579053.

The product of its (nonzero) digits is 5600, while the sum is 31.

Adding to 7221012051451 its reverse (1541502101227), we get a palindrome (8762514152678).

The spelling of 7221012051451 in words is "seven trillion, two hundred twenty-one billion, twelve million, fifty-one thousand, four hundred fifty-one".