62121422005231 has 4 divisors (see below), whose sum is σ = 62502535023832. Its totient is φ = 61740308986632.

The previous prime is 62121422005211. The next prime is 62121422005297. The reversal of 62121422005231 is 13250022412126.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-62121422005231 is a prime.

It is a super-2 number, since 2×62121422005231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 62121422005193 and 62121422005202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (62121422005211) 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, 190556509056 + ... + 190556509381.

It is an arithmetic number, because the mean of its divisors is an integer number (15625633755958).

Almost surely, 2^{62121422005231} is an apocalyptic number.

62121422005231 is a deficient number, since it is larger than the sum of its proper divisors (381113018601).

62121422005231 is a wasteful number, since it uses less digits than its factorization.

62121422005231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381113018600.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 62121422005231 its reverse (13250022412126), we get a palindrome (75371444417357).

The spelling of 62121422005231 in words is "sixty-two trillion, one hundred twenty-one billion, four hundred twenty-two million, five thousand, two hundred thirty-one".