1012120002122 has 8 divisors (see below), whose sum is σ = 1533831343716. Its totient is φ = 500842887552.

The previous prime is 1012120002079. The next prime is 1012120002139. The reversal of 1012120002122 is 2212000212101.

It can be written as a sum of positive squares in 2 ways, for example, as 988157271721 + 23962730401 = 994061^2 + 154799^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1012120002097 and 1012120002106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2608556513 + ... + 2608556900.

Almost surely, 2^{1012120002122} is an apocalyptic number.

1012120002122 is a deficient number, since it is larger than the sum of its proper divisors (521711341594).

1012120002122 is an equidigital number, since it uses as much as digits as its factorization.

1012120002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5217113512.

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

Adding to 1012120002122 its reverse (2212000212101), we get a palindrome (3224120214223).

The spelling of 1012120002122 in words is "one trillion, twelve billion, one hundred twenty million, two thousand, one hundred twenty-two".