1220012022102 has 32 divisors (see below), whose sum is σ = 2581754421120. Its totient is φ = 383270745600.

The previous prime is 1220012022091. The next prime is 1220012022143. The reversal of 1220012022102 is 2012202100221.

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, 27703024 + ... + 27747027.

It is an arithmetic number, because the mean of its divisors is an integer number (80679825660).

Almost surely, 2^{1220012022102} is an apocalyptic number.

1220012022102 is an abundant number, since it is smaller than the sum of its proper divisors (1361742399018).

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

1220012022102 is a wasteful number, since it uses less digits than its factorization.

1220012022102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55450268.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1220012022102 its reverse (2012202100221), we get a palindrome (3232214122323).

The spelling of 1220012022102 in words is "one trillion, two hundred twenty billion, twelve million, twenty-two thousand, one hundred two".