121433442133445 has 8 divisors (see below), whose sum is σ = 156929371372536. Its totient is φ = 89673926498496.

The previous prime is 121433442133433. The next prime is 121433442133463. The reversal of 121433442133445 is 544331244334121.

It can be written as a sum of positive squares in 4 ways, for example, as 799618677796 + 120633823455649 = 894214^2 + 10983343^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121433442133445 - 2²⁶ = 121433375024581 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121433442133396 and 121433442133405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 934103400962 + ... + 934103401091.

It is an arithmetic number, because the mean of its divisors is an integer number (19616171421567).

Almost surely, 2^{121433442133445} is an apocalyptic number.

It is an amenable number.

121433442133445 is a deficient number, since it is larger than the sum of its proper divisors (35495929239091).

121433442133445 is a wasteful number, since it uses less digits than its factorization.

121433442133445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868206802071.

The product of its digits is 1658880, while the sum is 44.

Adding to 121433442133445 its reverse (544331244334121), we get a palindrome (665764686467566).

The spelling of 121433442133445 in words is "one hundred twenty-one trillion, four hundred thirty-three billion, four hundred forty-two million, one hundred thirty-three thousand, four hundred forty-five".