212540541403 has 8 divisors (see below), whose sum is σ = 213177596400. Its totient is φ = 211903684608.

The previous prime is 212540541397. The next prime is 212540541443. The reversal of 212540541403 is 304145045212.

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 212540541403 - 2¹³ = 212540533211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212540541443) 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, 2258628 + ... + 2350846.

It is an arithmetic number, because the mean of its divisors is an integer number (26647199550).

Almost surely, 2^212540541403 is an apocalyptic number.

212540541403 is a deficient number, since it is larger than the sum of its proper divisors (637054997).

212540541403 is an equidigital number, since it uses as much as digits as its factorization.

212540541403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99101.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 212540541403 its reverse (304145045212), we get a palindrome (516685586615).

The spelling of 212540541403 in words is "two hundred twelve billion, five hundred forty million, five hundred forty-one thousand, four hundred three".