12051421101102 has 16 divisors (see below), whose sum is σ = 24106473868752. Its totient is φ = 4016535089280.

The previous prime is 12051421101073. The next prime is 12051421101103. The reversal of 12051421101102 is 20110112415021.

It is a super-2 number, since 2×12051421101102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12051421101103) 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, 151276299 + ... + 151355942.

It is an arithmetic number, because the mean of its divisors is an integer number (1506654616797).

Almost surely, 2^{12051421101102} is an apocalyptic number.

12051421101102 is an abundant number, since it is smaller than the sum of its proper divisors (12055052767650).

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

12051421101102 is a wasteful number, since it uses less digits than its factorization.

12051421101102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302638883.

The product of its (nonzero) digits is 160, while the sum is 21.

Adding to 12051421101102 its reverse (20110112415021), we get a palindrome (32161533516123).

The spelling of 12051421101102 in words is "twelve trillion, fifty-one billion, four hundred twenty-one million, one hundred one thousand, one hundred two".