212133013403 has 4 divisors (see below), whose sum is σ = 212135419920. Its totient is φ = 212130606888.

The previous prime is 212133013291. The next prime is 212133013427. The reversal of 212133013403 is 304310331212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212133013403 - 2³⁶ = 143413536667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212133013483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1065800 + ... + 1249077.

It is an arithmetic number, because the mean of its divisors is an integer number (53033854980).

Almost surely, 2^212133013403 is an apocalyptic number.

212133013403 is a deficient number, since it is larger than the sum of its proper divisors (2406517).

212133013403 is an equidigital number, since it uses as much as digits as its factorization.

212133013403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2406516.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 212133013403 its reverse (304310331212), we get a palindrome (516443344615).

The spelling of 212133013403 in words is "two hundred twelve billion, one hundred thirty-three million, thirteen thousand, four hundred three".