212021225220403 has 2 divisors, whose sum is σ = 212021225220404. Its totient is φ = 212021225220402.

The previous prime is 212021225220359. The next prime is 212021225220457. The reversal of 212021225220403 is 304022522120212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212021225220403 - 2²⁵ = 212021191665971 is a prime.

It is not a weakly prime, because it can be changed into another prime (212021225223403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106010612610201 + 106010612610202.

It is an arithmetic number, because the mean of its divisors is an integer number (106010612610202).

Almost surely, 2^{212021225220403} is an apocalyptic number.

212021225220403 is a deficient number, since it is larger than the sum of its proper divisors (1).

212021225220403 is an equidigital number, since it uses as much as digits as its factorization.

212021225220403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 212021225220403 its reverse (304022522120212), we get a palindrome (516043747340615).

The spelling of 212021225220403 in words is "two hundred twelve trillion, twenty-one billion, two hundred twenty-five million, two hundred twenty thousand, four hundred three".