1012120202122 has 4 divisors (see below), whose sum is σ = 1518180303186. Its totient is φ = 506060101060.

The previous prime is 1012120202113. The next prime is 1012120202131. The reversal of 1012120202122 is 2212020212101.

It is a happy number.

1012120202122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (1012120202113) and next prime (1012120202131).

It can be written as a sum of positive squares in only one way, i.e., 680412166641 + 331708035481 = 824871^2 + 575941^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1012120202096 and 1012120202105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253030050529 + ... + 253030050532.

Almost surely, 2^{1012120202122} is an apocalyptic number.

1012120202122 is a deficient number, since it is larger than the sum of its proper divisors (506060101064).

1012120202122 is an equidigital number, since it uses as much as digits as its factorization.

1012120202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506060101063.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1012120202122 its reverse (2212020212101), we get a palindrome (3224140414223).

The spelling of 1012120202122 in words is "one trillion, twelve billion, one hundred twenty million, two hundred two thousand, one hundred twenty-two".