12212002220051 has 2 divisors, whose sum is σ = 12212002220052. Its totient is φ = 12212002220050.

The previous prime is 12212002219999. The next prime is 12212002220063. The reversal of 12212002220051 is 15002220021221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12212002220051 - 2⁴² = 7813955708947 is a prime.

It is not a weakly prime, because it can be changed into another prime (12212002220071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106001110025 + 6106001110026.

It is an arithmetic number, because the mean of its divisors is an integer number (6106001110026).

Almost surely, 2^{12212002220051} is an apocalyptic number.

12212002220051 is a deficient number, since it is larger than the sum of its proper divisors (1).

12212002220051 is an equidigital number, since it uses as much as digits as its factorization.

12212002220051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 12212002220051 its reverse (15002220021221), we get a palindrome (27214222241272).

The spelling of 12212002220051 in words is "twelve trillion, two hundred twelve billion, two million, two hundred twenty thousand, fifty-one".