121417383834 has 32 divisors (see below), whose sum is σ = 269982440640. Its totient is φ = 40447556496.

The previous prime is 121417383817. The next prime is 121417383839. The reversal of 121417383834 is 438383714121.

121417383834 is a `hidden beast` number, since 121 + 417 + 3 + 83 + 8 + 34 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 121417383834.

It is not an unprimeable number, because it can be changed into a prime (121417383839) 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, 603129 + ... + 778844.

It is an arithmetic number, because the mean of its divisors is an integer number (8436951270).

Almost surely, 2^121417383834 is an apocalyptic number.

121417383834 is an abundant number, since it is smaller than the sum of its proper divisors (148565056806).

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

121417383834 is a wasteful number, since it uses less digits than its factorization.

121417383834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383611 (or 1383605 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The spelling of 121417383834 in words is "one hundred twenty-one billion, four hundred seventeen million, three hundred eighty-three thousand, eight hundred thirty-four".