10121212033 has 4 divisors (see below), whose sum is σ = 10125330480. Its totient is φ = 10117093588.

The previous prime is 10121212001. The next prime is 10121212051. The reversal of 10121212033 is 33021212101.

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 not a de Polignac number, because 10121212033 - 2⁵ = 10121212001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10121211998 and 10121212016.

It is not an unprimeable number, because it can be changed into a prime (10121212063) 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, 2055535 + ... + 2060452.

It is an arithmetic number, because the mean of its divisors is an integer number (2531332620).

Almost surely, 2^10121212033 is an apocalyptic number.

It is an amenable number.

10121212033 is a deficient number, since it is larger than the sum of its proper divisors (4118447).

10121212033 is an equidigital number, since it uses as much as digits as its factorization.

10121212033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4118446.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10121212033 its reverse (33021212101), we get a palindrome (43142424134).

The spelling of 10121212033 in words is "ten billion, one hundred twenty-one million, two hundred twelve thousand, thirty-three".