101212013 has 8 divisors (see below), whose sum is σ = 115878720. Its totient is φ = 86597280.

The previous prime is 101212003. The next prime is 101212019. The reversal of 101212013 is 310212101.

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

It is not a de Polignac number, because 101212013 - 2⁸ = 101211757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101211985 and 101212003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101212019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8723 + ... + 16688.

It is an arithmetic number, because the mean of its divisors is an integer number (14484840).

Almost surely, 2^101212013 is an apocalyptic number.

It is an amenable number.

101212013 is a deficient number, since it is larger than the sum of its proper divisors (14666707).

101212013 is an equidigital number, since it uses as much as digits as its factorization.

101212013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25987.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 101212013 is about 10060.4181324635. The cubic root of 101212013 is about 466.0265799890.

Adding to 101212013 its reverse (310212101), we get a palindrome (411424114).

The spelling of 101212013 in words is "one hundred one million, two hundred twelve thousand, thirteen".