213210123002 has 4 divisors (see below), whose sum is σ = 319815184506. Its totient is φ = 106605061500.

The previous prime is 213210122969. The next prime is 213210123011. The reversal of 213210123002 is 200321012312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 209389523281 + 3820599721 = 457591^2 + 61811^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53302530749 + ... + 53302530752.

Almost surely, 2^213210123002 is an apocalyptic number.

213210123002 is a deficient number, since it is larger than the sum of its proper divisors (106605061504).

213210123002 is a wasteful number, since it uses less digits than its factorization.

213210123002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106605061503.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 213210123002 its reverse (200321012312), we get a palindrome (413531135314).

The spelling of 213210123002 in words is "two hundred thirteen billion, two hundred ten million, one hundred twenty-three thousand, two".