1220100210676 has 24 divisors (see below), whose sum is σ = 2303430038280. Its totient is φ = 563331505152.

The previous prime is 1220100210607. The next prime is 1220100210677. The reversal of 1220100210676 is 6760120010221.

It can be written as a sum of positive squares in 4 ways, for example, as 149247778276 + 1070852432400 = 386326^2 + 1034820^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220100210677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169266681 + ... + 169273888.

It is an arithmetic number, because the mean of its divisors is an integer number (95976251595).

Almost surely, 2^{1220100210676} is an apocalyptic number.

It is an amenable number.

1220100210676 is a deficient number, since it is larger than the sum of its proper divisors (1083329827604).

1220100210676 is a wasteful number, since it uses less digits than its factorization.

1220100210676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338540643 (or 338540641 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

Adding to 1220100210676 its reverse (6760120010221), we get a palindrome (7980220220897).

The spelling of 1220100210676 in words is "one trillion, two hundred twenty billion, one hundred million, two hundred ten thousand, six hundred seventy-six".