1210002012122 has 8 divisors (see below), whose sum is σ = 1817748864372. Its totient is φ = 604085724000.

The previous prime is 1210002012073. The next prime is 1210002012157. The reversal of 1210002012122 is 2212102000121.

It can be written as a sum of positive squares in 2 ways, for example, as 1139665137601 + 70336874521 = 1067551^2 + 265211^2 .

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 = 1210002012097 and 1210002012106.

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, 457639379 + ... + 457642022.

Almost surely, 2^{1210002012122} is an apocalyptic number.

1210002012122 is a deficient number, since it is larger than the sum of its proper divisors (607746852250).

1210002012122 is an equidigital number, since it uses as much as digits as its factorization.

1210002012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915282064.

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

Adding to 1210002012122 its reverse (2212102000121), we get a palindrome (3422104012243).

The spelling of 1210002012122 in words is "one trillion, two hundred ten billion, two million, twelve thousand, one hundred twenty-two".