10001212007 has 4 divisors (see below), whose sum is σ = 10150483896. Its totient is φ = 9851940120.

The previous prime is 10001211973. The next prime is 10001212057. The reversal of 10001212007 is 70021210001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70021210001 = 8999 ⋅7780999.

It is a cyclic number.

It is not a de Polignac number, because 10001212007 - 2¹⁰ = 10001210983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10001211982 and 10001212000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001212057) 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, 74635844 + ... + 74635977.

It is an arithmetic number, because the mean of its divisors is an integer number (2537620974).

Almost surely, 2^10001212007 is an apocalyptic number.

10001212007 is a deficient number, since it is larger than the sum of its proper divisors (149271889).

10001212007 is an equidigital number, since it uses as much as digits as its factorization.

10001212007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149271888.

The product of its (nonzero) digits is 28, while the sum is 14.

Adding to 10001212007 its reverse (70021210001), we get a palindrome (80022422008).

The spelling of 10001212007 in words is "ten billion, one million, two hundred twelve thousand, seven".