121482019431 has 16 divisors (see below), whose sum is σ = 190560031200. Its totient is φ = 76224011904.

The previous prime is 121482019427. The next prime is 121482019501. The reversal of 121482019431 is 134910284121.

121482019431 is a `hidden beast` number, since 1 + 2 + 14 + 8 + 201 + 9 + 431 = 666.

It is not a de Polignac number, because 121482019431 - 2² = 121482019427 is a prime.

It is a super-3 number, since 3×121482019431³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121482019231) 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, 132332896 + ... + 132333813.

It is an arithmetic number, because the mean of its divisors is an integer number (11910001950).

Almost surely, 2^121482019431 is an apocalyptic number.

121482019431 is a deficient number, since it is larger than the sum of its proper divisors (69078011769).

121482019431 is a wasteful number, since it uses less digits than its factorization.

121482019431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264666735 (or 264666729 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The spelling of 121482019431 in words is "one hundred twenty-one billion, four hundred eighty-two million, nineteen thousand, four hundred thirty-one".