220212209961427 has 2 divisors, whose sum is σ = 220212209961428. Its totient is φ = 220212209961426.

The previous prime is 220212209961413. The next prime is 220212209961451. The reversal of 220212209961427 is 724169902212022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220212209961427 - 2²³ = 220212201572819 is a prime.

It is not a weakly prime, because it can be changed into another prime (220212209961727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110106104980713 + 110106104980714.

It is an arithmetic number, because the mean of its divisors is an integer number (110106104980714).

Almost surely, 2^{220212209961427} is an apocalyptic number.

220212209961427 is a deficient number, since it is larger than the sum of its proper divisors (1).

220212209961427 is an equidigital number, since it uses as much as digits as its factorization.

220212209961427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 220212209961427 in words is "two hundred twenty trillion, two hundred twelve billion, two hundred nine million, nine hundred sixty-one thousand, four hundred twenty-seven".