1220000212102 has 32 divisors (see below), whose sum is σ = 2110300876800. Its totient is φ = 518140844928.

The previous prime is 1220000212073. The next prime is 1220000212111. The reversal of 1220000212102 is 2012120000221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9553549 + ... + 9680407.

It is an arithmetic number, because the mean of its divisors is an integer number (65946902400).

Almost surely, 2^{1220000212102} is an apocalyptic number.

1220000212102 is a deficient number, since it is larger than the sum of its proper divisors (890300664698).

1220000212102 is a wasteful number, since it uses less digits than its factorization.

1220000212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133060.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1220000212102 its reverse (2012120000221), we get a palindrome (3232120212323).

The spelling of 1220000212102 in words is "one trillion, two hundred twenty billion, two hundred twelve thousand, one hundred two".