122000000002 has 4 divisors (see below), whose sum is σ = 183000000006. Its totient is φ = 61000000000.

The previous prime is 121999999999. The next prime is 122000000033. The reversal of 122000000002 is 200000000221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200000000221 = 7 ⋅28571428603.

It can be written as a sum of positive squares in only one way, i.e., 119274220321 + 2725779681 = 345361^2 + 52209^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30499999999 + ... + 30500000002.

Almost surely, 2^122000000002 is an apocalyptic number.

122000000002 is a deficient number, since it is larger than the sum of its proper divisors (61000000004).

122000000002 is an equidigital number, since it uses as much as digits as its factorization.

122000000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61000000003.

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 122000000002 its reverse (200000000221), we get a palindrome (322000000223).

The spelling of 122000000002 in words is "one hundred twenty-two billion, two", and thus it is an aban number.