121134311412 has 48 divisors (see below), whose sum is σ = 283890398400. Its totient is φ = 40200709888.

The previous prime is 121134311411. The next prime is 121134311429. The reversal of 121134311412 is 214113431121.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121134311411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3671863 + ... + 3704705.

It is an arithmetic number, because the mean of its divisors is an integer number (5914383300).

Almost surely, 2^121134311412 is an apocalyptic number.

121134311412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121134311412 is an abundant number, since it is smaller than the sum of its proper divisors (162756086988).

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

121134311412 is a wasteful number, since it uses less digits than its factorization.

121134311412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34192 (or 34190 counting only the distinct ones).

The product of its digits is 576, while the sum is 24.

Adding to 121134311412 its reverse (214113431121), we get a palindrome (335247742533).

The spelling of 121134311412 in words is "one hundred twenty-one billion, one hundred thirty-four million, three hundred eleven thousand, four hundred twelve".