213312420001234 has 8 divisors (see below), whose sum is σ = 319969084490748. Its totient is φ = 106656058504320.

The previous prime is 213312420001147. The next prime is 213312420001237. The reversal of 213312420001234 is 432100024213312.

It can be written as a sum of positive squares in 2 ways, for example, as 167146034679009 + 46166385322225 = 12928497^2 + 6794585^2 .

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

It is not an unprimeable number, because it can be changed into a prime (213312420001237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73979847 + ... + 76809130.

Almost surely, 2^{213312420001234} is an apocalyptic number.

213312420001234 is a deficient number, since it is larger than the sum of its proper divisors (106656664489514).

213312420001234 is a wasteful number, since it uses less digits than its factorization.

213312420001234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151496300.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 213312420001234 its reverse (432100024213312), we get a palindrome (645412444214546).

The spelling of 213312420001234 in words is "two hundred thirteen trillion, three hundred twelve billion, four hundred twenty million, one thousand, two hundred thirty-four".