121334131192 has 32 divisors (see below), whose sum is σ = 235370580480. Its totient is φ = 58577482080.

The previous prime is 121334131159. The next prime is 121334131273. The reversal of 121334131192 is 291131433121.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442338 + ... + 662065.

It is an arithmetic number, because the mean of its divisors is an integer number (7355330640).

Almost surely, 2^121334131192 is an apocalyptic number.

It is an amenable number.

121334131192 is a deficient number, since it is larger than the sum of its proper divisors (114036449288).

121334131192 is a wasteful number, since it uses less digits than its factorization.

121334131192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104883 (or 1104879 counting only the distinct ones).

The product of its digits is 3888, while the sum is 31.

The spelling of 121334131192 in words is "one hundred twenty-one billion, three hundred thirty-four million, one hundred thirty-one thousand, one hundred ninety-two".