10121212203 has 8 divisors (see below), whose sum is σ = 13501290816. Its totient is φ = 6744304200.

The previous prime is 10121212181. The next prime is 10121212219. The reversal of 10121212203 is 30221212101.

10121212203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10121212203 - 2⁶ = 10121212139 is a prime.

It is a super-2 number, since 2×10121212203² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10121212243) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 785193 + ... + 797978.

It is an arithmetic number, because the mean of its divisors is an integer number (1687661352).

Almost surely, 2^10121212203 is an apocalyptic number.

10121212203 is a deficient number, since it is larger than the sum of its proper divisors (3380078613).

10121212203 is a wasteful number, since it uses less digits than its factorization.

10121212203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1585305.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 10121212203 its reverse (30221212101), we get a palindrome (40342424304).

The spelling of 10121212203 in words is "ten billion, one hundred twenty-one million, two hundred twelve thousand, two hundred three".