42312212013433 has 4 divisors (see below), whose sum is σ = 44801165661300. Its totient is φ = 39823258365568.

The previous prime is 42312212013427. The next prime is 42312212013469. The reversal of 42312212013433 is 33431021221324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37017647829369 + 5294564184064 = 6084213^2 + 2300992^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42312212013433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42312212013395 and 42312212013404.

It is not an unprimeable number, because it can be changed into a prime (42312212013403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1244476823908 + ... + 1244476823941.

It is an arithmetic number, because the mean of its divisors is an integer number (11200291415325).

Almost surely, 2^{42312212013433} is an apocalyptic number.

It is an amenable number.

42312212013433 is a deficient number, since it is larger than the sum of its proper divisors (2488953647867).

42312212013433 is a wasteful number, since it uses less digits than its factorization.

42312212013433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2488953647866.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 42312212013433 its reverse (33431021221324), we get a palindrome (75743233234757).

The spelling of 42312212013433 in words is "forty-two trillion, three hundred twelve billion, two hundred twelve million, thirteen thousand, four hundred thirty-three".