1200122002019 has 8 divisors (see below), whose sum is σ = 1258991514720. Its totient is φ = 1142418222400.

The previous prime is 1200122001989. The next prime is 1200122002061. The reversal of 1200122002019 is 9102002210021.

It is a happy number.

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 1200122002019 - 2⁸ = 1200122001763 is a prime.

It is a super-2 number, since 2×1200122002019² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200122022019) 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, 291431162 + ... + 291435279.

It is an arithmetic number, because the mean of its divisors is an integer number (157373939340).

Almost surely, 2^{1200122002019} is an apocalyptic number.

1200122002019 is a deficient number, since it is larger than the sum of its proper divisors (58869512701).

1200122002019 is an equidigital number, since it uses as much as digits as its factorization.

1200122002019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582866541.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 1200122002019 in words is "one trillion, two hundred billion, one hundred twenty-two million, two thousand, nineteen".