213121213323002 has 8 divisors (see below), whose sum is σ = 319687751493396. Its totient is φ = 106558629491872.

The previous prime is 213121213322987. The next prime is 213121213323013. The reversal of 213121213323002 is 200323312121312.

It can be written as a sum of positive squares in 2 ways, for example, as 209716188259561 + 3405025063441 = 14481581^2 + 1845271^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 988450073 + ... + 988665660.

Almost surely, 2^{213121213323002} is an apocalyptic number.

213121213323002 is a deficient number, since it is larger than the sum of its proper divisors (106566538170394).

213121213323002 is a wasteful number, since it uses less digits than its factorization.

213121213323002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1977169632.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 213121213323002 its reverse (200323312121312), we get a palindrome (413444525444314).

The spelling of 213121213323002 in words is "two hundred thirteen trillion, one hundred twenty-one billion, two hundred thirteen million, three hundred twenty-three thousand, two".