20121114427700 has 144 divisors (see below), whose sum is σ = 51561968531136. Its totient is φ = 6718945075200.

The previous prime is 20121114427693. The next prime is 20121114427703. The reversal of 20121114427700 is 772441112102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20121114427703) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 885362 + ... + 6405161.

Almost surely, 2^{20121114427700} is an apocalyptic number.

20121114427700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20121114427700 is an abundant number, since it is smaller than the sum of its proper divisors (31440854103436).

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

20121114427700 is a wasteful number, since it uses less digits than its factorization.

20121114427700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7290754 (or 7290747 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 32.

Adding to 20121114427700 its reverse (772441112102), we get a palindrome (20893555539802).

The spelling of 20121114427700 in words is "twenty trillion, one hundred twenty-one billion, one hundred fourteen million, four hundred twenty-seven thousand, seven hundred".