211123243401412 has 24 divisors (see below), whose sum is σ = 382211448456600. Its totient is φ = 101920078638336.

The previous prime is 211123243401403. The next prime is 211123243401419. The reversal of 211123243401412 is 214104342321112.

It can be written as a sum of positive squares in 4 ways, for example, as 11182964680836 + 199940278720576 = 3344094^2 + 14140024^2 .

It is not an unprimeable number, because it can be changed into a prime (211123243401419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5272987 + ... + 21214402.

It is an arithmetic number, because the mean of its divisors is an integer number (15925477019025).

Almost surely, 2^{211123243401412} is an apocalyptic number.

It is an amenable number.

211123243401412 is a deficient number, since it is larger than the sum of its proper divisors (171088205055188).

211123243401412 is a wasteful number, since it uses less digits than its factorization.

211123243401412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26556135 (or 26556133 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 211123243401412 its reverse (214104342321112), we get a palindrome (425227585722524).

The spelling of 211123243401412 in words is "two hundred eleven trillion, one hundred twenty-three billion, two hundred forty-three million, four hundred one thousand, four hundred twelve".