1012120020122 has 4 divisors (see below), whose sum is σ = 1518180030186. Its totient is φ = 506060010060.

The previous prime is 1012120020113. The next prime is 1012120020161. The reversal of 1012120020122 is 2210200212101.

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

It can be written as a sum of positive squares in only one way, i.e., 878514418681 + 133605601441 = 937291^2 + 365521^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1012120020097 and 1012120020106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253030005029 + ... + 253030005032.

Almost surely, 2^{1012120020122} is an apocalyptic number.

1012120020122 is a deficient number, since it is larger than the sum of its proper divisors (506060010064).

1012120020122 is an equidigital number, since it uses as much as digits as its factorization.

1012120020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506060010063.

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

Adding to 1012120020122 its reverse (2210200212101), we get a palindrome (3222320232223).

The spelling of 1012120020122 in words is "one trillion, twelve billion, one hundred twenty million, twenty thousand, one hundred twenty-two".