12212220102 has 16 divisors (see below), whose sum is σ = 25266662640. Its totient is φ = 3930369632.

The previous prime is 12212220089. The next prime is 12212220103. The reversal of 12212220102 is 20102221221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212220103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35092413 + ... + 35092760.

It is an arithmetic number, because the mean of its divisors is an integer number (1579166415).

Almost surely, 2^12212220102 is an apocalyptic number.

12212220102 is an abundant number, since it is smaller than the sum of its proper divisors (13054442538).

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

12212220102 is a wasteful number, since it uses less digits than its factorization.

12212220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70185207.

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

Adding to 12212220102 its reverse (20102221221), we get a palindrome (32314441323).

The spelling of 12212220102 in words is "twelve billion, two hundred twelve million, two hundred twenty thousand, one hundred two".