1220122101012 has 48 divisors (see below), whose sum is σ = 2938898995200. Its totient is φ = 393573005280.

The previous prime is 1220122100993. The next prime is 1220122101031. The reversal of 1220122101012 is 2101012210221.

It is an interprime number because it is at equal distance from previous prime (1220122100993) and next prime (1220122101031).

It is a junction number, because it is equal to n+sod(n) for n = 1220122100982 and 1220122101000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14473039 + ... + 14557097.

It is an arithmetic number, because the mean of its divisors is an integer number (61227062400).

Almost surely, 2^{1220122101012} is an apocalyptic number.

1220122101012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1220122101012 is an abundant number, since it is smaller than the sum of its proper divisors (1718776894188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220122101012 is a wasteful number, since it uses less digits than its factorization.

1220122101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123116 (or 123114 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1220122101012 its reverse (2101012210221), we get a palindrome (3321134311233).

The spelling of 1220122101012 in words is "one trillion, two hundred twenty billion, one hundred twenty-two million, one hundred one thousand, twelve".