121436424150 has 24 divisors (see below), whose sum is σ = 301162332264. Its totient is φ = 32383046400.

The previous prime is 121436424091. The next prime is 121436424199. The reversal of 121436424150 is 51424634121.

It is a happy number.

It is a super-2 number, since 2×121436424150² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 404787931 + ... + 404788230.

It is an arithmetic number, because the mean of its divisors is an integer number (12548430511).

Almost surely, 2^121436424150 is an apocalyptic number.

121436424150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121436424150 is an abundant number, since it is smaller than the sum of its proper divisors (179725908114).

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

121436424150 is a wasteful number, since it uses less digits than its factorization.

121436424150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809576176 (or 809576171 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 121436424150 in words is "one hundred twenty-one billion, four hundred thirty-six million, four hundred twenty-four thousand, one hundred fifty".