212245542212 has 24 divisors (see below), whose sum is σ = 409207885632. Its totient is φ = 95520044000.

The previous prime is 212245542203. The next prime is 212245542221.

212245542212 is nontrivially palindromic in base 10.

212245542212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (212245542203) and next prime (212245542221).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23875568 + ... + 23884455.

It is an arithmetic number, because the mean of its divisors is an integer number (17050328568).

Almost surely, 2^212245542212 is an apocalyptic number.

212245542212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212245542212 is a deficient number, since it is larger than the sum of its proper divisors (196962343420).

212245542212 is a wasteful number, since it uses less digits than its factorization.

212245542212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47760139 (or 47760137 counting only the distinct ones).

The product of its digits is 25600, while the sum is 32.

It can be divided in two parts, 212245 and 542212, that added together give a palindrome (754457).

The spelling of 212245542212 in words is "two hundred twelve billion, two hundred forty-five million, five hundred forty-two thousand, two hundred twelve".