121874141382 has 16 divisors (see below), whose sum is σ = 278569466112. Its totient is φ = 34821183240.

The previous prime is 121874141297. The next prime is 121874141383. The reversal of 121874141382 is 283141478121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 2901765271 = 121874141382 / (1 + 2 + 1 + 8 + 7 + 4 + 1 + 4 + 1 + 3 + 8 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121874141383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1450882594 + ... + 1450882677.

It is an arithmetic number, because the mean of its divisors is an integer number (17410591632).

Almost surely, 2^121874141382 is an apocalyptic number.

121874141382 is an abundant number, since it is smaller than the sum of its proper divisors (156695324730).

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

121874141382 is a wasteful number, since it uses less digits than its factorization.

121874141382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2901765283.

The product of its digits is 86016, while the sum is 42.

The spelling of 121874141382 in words is "one hundred twenty-one billion, eight hundred seventy-four million, one hundred forty-one thousand, three hundred eighty-two".