212012111320203 has 16 divisors (see below), whose sum is σ = 285017729673600. Its totient is φ = 140175291397440.

The previous prime is 212012111320183. The next prime is 212012111320277. The reversal of 212012111320203 is 302023111210212.

It is not a de Polignac number, because 212012111320203 - 2⁵ = 212012111320171 is a prime.

It is a super-2 number, since 2×212012111320203² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212012111320203.

It is not an unprimeable number, because it can be changed into a prime (212012111320403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167009373 + ... + 168274046.

It is an arithmetic number, because the mean of its divisors is an integer number (17813608104600).

Almost surely, 2^{212012111320203} is an apocalyptic number.

212012111320203 is a deficient number, since it is larger than the sum of its proper divisors (73005618353397).

212012111320203 is a wasteful number, since it uses less digits than its factorization.

212012111320203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335285162.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 212012111320203 its reverse (302023111210212), we get a palindrome (514035222530415).

The spelling of 212012111320203 in words is "two hundred twelve trillion, twelve billion, one hundred eleven million, three hundred twenty thousand, two hundred three".