212115123302 has 16 divisors (see below), whose sum is σ = 335090574000. Its totient is φ = 100423997280.

The previous prime is 212115123301. The next prime is 212115123343. The reversal of 212115123302 is 203321511212.

212115123302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212115123301) by changing a digit.

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, 1357949 + ... + 1506072.

It is an arithmetic number, because the mean of its divisors is an integer number (20943160875).

Almost surely, 2^212115123302 is an apocalyptic number.

212115123302 is a deficient number, since it is larger than the sum of its proper divisors (122975450698).

212115123302 is a wasteful number, since it uses less digits than its factorization.

212115123302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2865991.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 212115123302 its reverse (203321511212), we get a palindrome (415436634514).

The spelling of 212115123302 in words is "two hundred twelve billion, one hundred fifteen million, one hundred twenty-three thousand, three hundred two".