1200122210021 has 8 divisors (see below), whose sum is σ = 1371594259200. Its totient is φ = 1028656665648.

The previous prime is 1200122209969. The next prime is 1200122210033.

1200122210021 is nontrivially palindromic in base 10.

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 1200122210021 - 2²² = 1200118015717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1200122209978 and 1200122210005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200122210621) 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, 1224221 + ... + 1974578.

It is an arithmetic number, because the mean of its divisors is an integer number (171449282400).

Almost surely, 2^{1200122210021} is an apocalyptic number.

It is an amenable number.

1200122210021 is a deficient number, since it is larger than the sum of its proper divisors (171472049179).

1200122210021 is an equidigital number, since it uses as much as digits as its factorization.

1200122210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3252403.

The product of its (nonzero) digits is 32, while the sum is 14.

The spelling of 1200122210021 in words is "one trillion, two hundred billion, one hundred twenty-two million, two hundred ten thousand, twenty-one".