1212212020003 has 2 divisors, whose sum is σ = 1212212020004. Its totient is φ = 1212212020002.

The previous prime is 1212212019961. The next prime is 1212212020067. The reversal of 1212212020003 is 3000202122121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1212212020003 is a prime.

It is not a weakly prime, because it can be changed into another prime (1212212020093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606106010001 + 606106010002.

It is an arithmetic number, because the mean of its divisors is an integer number (606106010002).

Almost surely, 2^{1212212020003} is an apocalyptic number.

1212212020003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212212020003 is an equidigital number, since it uses as much as digits as its factorization.

1212212020003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1212212020003 its reverse (3000202122121), we get a palindrome (4212414142124).

The spelling of 1212212020003 in words is "one trillion, two hundred twelve billion, two hundred twelve million, twenty thousand, three".