10121213100003 has 4 divisors (see below), whose sum is σ = 13494950800008. Its totient is φ = 6747475400000.

The previous prime is 10121213099999. The next prime is 10121213100121. The reversal of 10121213100003 is 30000131212101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10121213100003 - 2² = 10121213099999 is a prime.

It is a super-3 number, since 3×10121213100003³ (a number of 40 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (10121213100503) 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, 1686868849998 + ... + 1686868850003.

It is an arithmetic number, because the mean of its divisors is an integer number (3373737700002).

Almost surely, 2^{10121213100003} is an apocalyptic number.

10121213100003 is a deficient number, since it is larger than the sum of its proper divisors (3373737700005).

10121213100003 is an equidigital number, since it uses as much as digits as its factorization.

10121213100003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3373737700004.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 10121213100003 its reverse (30000131212101), we get a palindrome (40121344312104).

The spelling of 10121213100003 in words is "ten trillion, one hundred twenty-one billion, two hundred thirteen million, one hundred thousand, three".