12021222012102 has 96 divisors (see below), whose sum is σ = 26482366859520. Its totient is φ = 3940536600000.

The previous prime is 12021222012097. The next prime is 12021222012113. The reversal of 12021222012102 is 20121022212021.

It is a happy number.

12021222012102 is a `hidden beast` number, since 1 + 20 + 212 + 220 + 1 + 210 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 346905477 + ... + 346940127.

It is an arithmetic number, because the mean of its divisors is an integer number (275857988120).

Almost surely, 2^{12021222012102} is an apocalyptic number.

12021222012102 is an abundant number, since it is smaller than the sum of its proper divisors (14461144847418).

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

12021222012102 is a wasteful number, since it uses less digits than its factorization.

12021222012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36090 (or 36087 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12021222012102 its reverse (20121022212021), we get a palindrome (32142244224123).

The spelling of 12021222012102 in words is "twelve trillion, twenty-one billion, two hundred twenty-two million, twelve thousand, one hundred two".