12201112010100 has 72 divisors (see below), whose sum is σ = 38017413639520. Its totient is φ = 3003350647680.

The previous prime is 12201112010047. The next prime is 12201112010117. The reversal of 12201112010100 is 101021110221.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1564241230 + ... + 1564249029.

Almost surely, 2^{12201112010100} is an apocalyptic number.

12201112010100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12201112010100 is an abundant number, since it is smaller than the sum of its proper divisors (25816301629420).

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

12201112010100 is a wasteful number, since it uses less digits than its factorization.

12201112010100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3128490289 (or 3128490282 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12201112010100 its reverse (101021110221), we get a palindrome (12302133120321).

The spelling of 12201112010100 in words is "twelve trillion, two hundred one billion, one hundred twelve million, ten thousand, one hundred".