212223030302100 has 72 divisors (see below), whose sum is σ = 614512808225568. Its totient is φ = 56548490979200.

The previous prime is 212223030302099. The next prime is 212223030302113. The reversal of 212223030302100 is 1203030322212.

It is a happy number.

It is a super-2 number, since 2×212223030302100² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 276598146 + ... + 277364345.

It is an arithmetic number, because the mean of its divisors is an integer number (8534900114244).

Almost surely, 2^{212223030302100} is an apocalyptic number.

212223030302100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212223030302100 is an abundant number, since it is smaller than the sum of its proper divisors (402289777923468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212223030302100 is a wasteful number, since it uses less digits than its factorization.

212223030302100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553963785 (or 553963778 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 212223030302100 its reverse (1203030322212), we get a palindrome (213426060624312).

The spelling of 212223030302100 in words is "two hundred twelve trillion, two hundred twenty-three billion, thirty million, three hundred two thousand, one hundred".