101212302405 has 16 divisors (see below), whose sum is σ = 162109632960. Its totient is φ = 53923244928.

The previous prime is 101212302379. The next prime is 101212302431. The reversal of 101212302405 is 504203212101.

It is an interprime number because it is at equal distance from previous prime (101212302379) and next prime (101212302431).

It is not a de Polignac number, because 101212302405 - 2⁶ = 101212302341 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3525835 + ... + 3554424.

It is an arithmetic number, because the mean of its divisors is an integer number (10131852060).

Almost surely, 2^101212302405 is an apocalyptic number.

101212302405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

101212302405 is a deficient number, since it is larger than the sum of its proper divisors (60897330555).

101212302405 is an equidigital number, since it uses as much as digits as its factorization.

101212302405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7081220.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 101212302405 its reverse (504203212101), we get a palindrome (605415514506).

The spelling of 101212302405 in words is "one hundred one billion, two hundred twelve million, three hundred two thousand, four hundred five".