1002010212122 has 4 divisors (see below), whose sum is σ = 1503015318186. Its totient is φ = 501005106060.

The previous prime is 1002010212061. The next prime is 1002010212251. The reversal of 1002010212122 is 2212120102001.

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., 986344936201 + 15665275921 = 993149^2 + 125161^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1002010212097 and 1002010212106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250502553029 + ... + 250502553032.

Almost surely, 2^{1002010212122} is an apocalyptic number.

1002010212122 is a deficient number, since it is larger than the sum of its proper divisors (501005106064).

1002010212122 is an equidigital number, since it uses as much as digits as its factorization.

1002010212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501005106063.

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

Adding to 1002010212122 its reverse (2212120102001), we get a palindrome (3214130314123).

The spelling of 1002010212122 in words is "one trillion, two billion, ten million, two hundred twelve thousand, one hundred twenty-two".