1212120001022 has 32 divisors (see below), whose sum is σ = 2145872736000. Its totient is φ = 513221181144.

The previous prime is 1212120000991. The next prime is 1212120001067. The reversal of 1212120001022 is 2201000212121.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1212120000988 and 1212120001006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10587272 + ... + 10701147.

It is an arithmetic number, because the mean of its divisors is an integer number (67058523000).

Almost surely, 2^{1212120001022} is an apocalyptic number.

1212120001022 is a deficient number, since it is larger than the sum of its proper divisors (933752734978).

1212120001022 is an equidigital number, since it uses as much as digits as its factorization.

1212120001022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21288525 (or 21288511 counting only the distinct ones).

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

Adding to 1212120001022 its reverse (2201000212121), we get a palindrome (3413120213143).

The spelling of 1212120001022 in words is "one trillion, two hundred twelve billion, one hundred twenty million, one thousand, twenty-two".