1000122120122 has 16 divisors (see below), whose sum is σ = 1536981144552. Its totient is φ = 487798375680.

The previous prime is 1000122120113. The next prime is 1000122120181. The reversal of 1000122120122 is 2210212210001.

It can be written as a sum of positive squares in 4 ways, for example, as 863540874361 + 136581245761 = 929269^2 + 369569^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1000122120097 and 1000122120106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214013 + ... + 1430400.

Almost surely, 2^{1000122120122} is an apocalyptic number.

1000122120122 is a deficient number, since it is larger than the sum of its proper divisors (536859024430).

1000122120122 is a wasteful number, since it uses less digits than its factorization.

1000122120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651873.

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

Adding to 1000122120122 its reverse (2210212210001), we get a palindrome (3210334330123).

The spelling of 1000122120122 in words is "one trillion, one hundred twenty-two million, one hundred twenty thousand, one hundred twenty-two".