405212361101 has 4 divisors (see below), whose sum is σ = 405339350304. Its totient is φ = 405085371900.

The previous prime is 405212361077. The next prime is 405212361133. The reversal of 405212361101 is 101163212504.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-405212361101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405212361401) 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, 63489815 + ... + 63496196.

It is an arithmetic number, because the mean of its divisors is an integer number (101334837576).

Almost surely, 2^405212361101 is an apocalyptic number.

It is an amenable number.

405212361101 is a deficient number, since it is larger than the sum of its proper divisors (126989203).

405212361101 is a wasteful number, since it uses less digits than its factorization.

405212361101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126989202.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 405212361101 its reverse (101163212504), we get a palindrome (506375573605).

The spelling of 405212361101 in words is "four hundred five billion, two hundred twelve million, three hundred sixty-one thousand, one hundred one".