212103021213203 has 12 divisors (see below), whose sum is σ = 225314225679312. Its totient is φ = 199625809706880.

The previous prime is 212103021213179. The next prime is 212103021213247. The reversal of 212103021213203 is 302312120301212.

It is not a de Polignac number, because 212103021213203 - 2³⁴ = 212085841344019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212103021213283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130395101 + ... + 132011697.

It is an arithmetic number, because the mean of its divisors is an integer number (18776185473276).

Almost surely, 2^{212103021213203} is an apocalyptic number.

212103021213203 is a deficient number, since it is larger than the sum of its proper divisors (13211204466109).

212103021213203 is a wasteful number, since it uses less digits than its factorization.

212103021213203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070622 (or 2070605 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 212103021213203 its reverse (302312120301212), we get a palindrome (514415141514415).

The spelling of 212103021213203 in words is "two hundred twelve trillion, one hundred three billion, twenty-one million, two hundred thirteen thousand, two hundred three".