212323133210984 has 8 divisors (see below), whose sum is σ = 398105874770610. Its totient is φ = 106161566605488.

The previous prime is 212323133210977. The next prime is 212323133210989. The reversal of 212323133210984 is 489012331323212.

It can be written as a sum of positive squares in only one way, i.e., 212323075116100 + 58094884 = 14571310^2 + 7622^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×212323133210984² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212323133210989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13270195825679 + ... + 13270195825694.

Almost surely, 2^{212323133210984} is an apocalyptic number.

It is an amenable number.

212323133210984 is a deficient number, since it is larger than the sum of its proper divisors (185782741559626).

212323133210984 is a wasteful number, since it uses less digits than its factorization.

212323133210984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26540391651379 (or 26540391651375 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 44.

The spelling of 212323133210984 in words is "two hundred twelve trillion, three hundred twenty-three billion, one hundred thirty-three million, two hundred ten thousand, nine hundred eighty-four".