212213420097 has 64 divisors (see below), whose sum is σ = 344873631744. Its totient is φ = 113438318400.

The previous prime is 212213420077. The next prime is 212213420123. The reversal of 212213420097 is 790024312212.

It is not a de Polignac number, because 212213420097 - 2⁶ = 212213420033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212213420047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 39655972 + ... + 39661322.

It is an arithmetic number, because the mean of its divisors is an integer number (5388650496).

Almost surely, 2^212213420097 is an apocalyptic number.

It is an amenable number.

212213420097 is a deficient number, since it is larger than the sum of its proper divisors (132660211647).

212213420097 is a wasteful number, since it uses less digits than its factorization.

212213420097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7178.

The product of its (nonzero) digits is 12096, while the sum is 33.

The spelling of 212213420097 in words is "two hundred twelve billion, two hundred thirteen million, four hundred twenty thousand, ninety-seven".