1210020120122 has 24 divisors (see below), whose sum is σ = 1997718575328. Its totient is φ = 549268809320.

The previous prime is 1210020120109. The next prime is 1210020120157. The reversal of 1210020120122 is 2210210200121.

It is a super-2 number, since 2×1210020120122² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1210020120097 and 1210020120106.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3184988 + ... + 3544599.

It is an arithmetic number, because the mean of its divisors is an integer number (83238273972).

Almost surely, 2^{1210020120122} is an apocalyptic number.

1210020120122 is a deficient number, since it is larger than the sum of its proper divisors (787698455206).

1210020120122 is a wasteful number, since it uses less digits than its factorization.

1210020120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6730354 (or 6730343 counting only the distinct ones).

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

Adding to 1210020120122 its reverse (2210210200121), we get a palindrome (3420230320243).

The spelling of 1210020120122 in words is "one trillion, two hundred ten billion, twenty million, one hundred twenty thousand, one hundred twenty-two".