1210001012122 has 8 divisors (see below), whose sum is σ = 2074287449376. Its totient is φ = 518571862332.

The previous prime is 1210001012119. The next prime is 1210001012137. The reversal of 1210001012122 is 2212101000121.

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

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, 43214321848 + ... + 43214321875.

It is an arithmetic number, because the mean of its divisors is an integer number (259285931172).

Almost surely, 2^{1210001012122} is an apocalyptic number.

1210001012122 is a deficient number, since it is larger than the sum of its proper divisors (864286437254).

1210001012122 is an equidigital number, since it uses as much as digits as its factorization.

1210001012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86428643732.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1210001012122 its reverse (2212101000121), we get a palindrome (3422102012243).

The spelling of 1210001012122 in words is "one trillion, two hundred ten billion, one million, twelve thousand, one hundred twenty-two".