1212212021003 has 2 divisors, whose sum is σ = 1212212021004. Its totient is φ = 1212212021002.

The previous prime is 1212212020967. The next prime is 1212212021071. The reversal of 1212212021003 is 3001202122121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1212212021003 - 2²⁸ = 1211943585547 is a prime.

It is not a weakly prime, because it can be changed into another prime (1212212021203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606106010501 + 606106010502.

It is an arithmetic number, because the mean of its divisors is an integer number (606106010502).

Almost surely, 2^{1212212021003} is an apocalyptic number.

1212212021003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212212021003 is an equidigital number, since it uses as much as digits as its factorization.

1212212021003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1212212021003 its reverse (3001202122121), we get a palindrome (4213414143124).

The spelling of 1212212021003 in words is "one trillion, two hundred twelve billion, two hundred twelve million, twenty-one thousand, three".