212223323131210 has 32 divisors (see below), whose sum is σ = 382378995216000. Its totient is φ = 84805568604480.

The previous prime is 212223323131189. The next prime is 212223323131249. The reversal of 212223323131210 is 12131323322212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83292741 + ... + 85802839.

It is an arithmetic number, because the mean of its divisors is an integer number (11949343600500).

Almost surely, 2^{212223323131210} is an apocalyptic number.

212223323131210 is a deficient number, since it is larger than the sum of its proper divisors (170155672084790).

212223323131210 is a wasteful number, since it uses less digits than its factorization.

212223323131210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2518446.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 212223323131210 its reverse (12131323322212), we get a palindrome (224354646453422).

The spelling of 212223323131210 in words is "two hundred twelve trillion, two hundred twenty-three billion, three hundred twenty-three million, one hundred thirty-one thousand, two hundred ten".