12121142903 has 2 divisors, whose sum is σ = 12121142904. Its totient is φ = 12121142902.

The previous prime is 12121142867. The next prime is 12121142939. The reversal of 12121142903 is 30924112121.

It is a balanced prime because it is at equal distance from previous prime (12121142867) and next prime (12121142939).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12121142903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12121142993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060571451 + 6060571452.

It is an arithmetic number, because the mean of its divisors is an integer number (6060571452).

Almost surely, 2^12121142903 is an apocalyptic number.

12121142903 is a deficient number, since it is larger than the sum of its proper divisors (1).

12121142903 is an equidigital number, since it uses as much as digits as its factorization.

12121142903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 12121142903 in words is "twelve billion, one hundred twenty-one million, one hundred forty-two thousand, nine hundred three".