212040654203 has 8 divisors (see below), whose sum is σ = 256587010272. Its totient is φ = 171058006656.

The previous prime is 212040654149. The next prime is 212040654209. The reversal of 212040654203 is 302456040212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212040654203 - 2⁶ = 212040654139 is a prime.

It is a super-2 number, since 2×212040654203² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212040654209) 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, 890927000 + ... + 890927237.

It is an arithmetic number, because the mean of its divisors is an integer number (32073376284).

Almost surely, 2^212040654203 is an apocalyptic number.

212040654203 is a deficient number, since it is larger than the sum of its proper divisors (44546356069).

212040654203 is a wasteful number, since it uses less digits than its factorization.

212040654203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781854261.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 212040654203 its reverse (302456040212), we get a palindrome (514496694415).

The spelling of 212040654203 in words is "two hundred twelve billion, forty million, six hundred fifty-four thousand, two hundred three".