20121311120300 has 36 divisors (see below), whose sum is σ = 47021956298016. Its totient is φ = 7429407182400.

The previous prime is 20121311120263. The next prime is 20121311120311. The reversal of 20121311120300 is 302111312102.

It is a super-2 number, since 2×20121311120300² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7738964516 + ... + 7738967115.

Almost surely, 2^{20121311120300} is an apocalyptic number.

20121311120300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20121311120300 is an abundant number, since it is smaller than the sum of its proper divisors (26900645177716).

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

20121311120300 is a wasteful number, since it uses less digits than its factorization.

20121311120300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15477931658 (or 15477931651 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 20121311120300 its reverse (302111312102), we get a palindrome (20423422432402).

The spelling of 20121311120300 in words is "twenty trillion, one hundred twenty-one billion, three hundred eleven million, one hundred twenty thousand, three hundred".