1201226622451 has 4 divisors (see below), whose sum is σ = 1201255347600. Its totient is φ = 1201197897304.

The previous prime is 1201226622443. The next prime is 1201226622529. The reversal of 1201226622451 is 1542266221021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1201226622451 - 2³ = 1201226622443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201226622551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14299756 + ... + 14383513.

It is an arithmetic number, because the mean of its divisors is an integer number (300313836900).

Almost surely, 2^{1201226622451} is an apocalyptic number.

1201226622451 is a deficient number, since it is larger than the sum of its proper divisors (28725149).

1201226622451 is an equidigital number, since it uses as much as digits as its factorization.

1201226622451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28725148.

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 1201226622451 in words is "one trillion, two hundred one billion, two hundred twenty-six million, six hundred twenty-two thousand, four hundred fifty-one".