213203012402 has 8 divisors (see below), whose sum is σ = 319885926300. Its totient is φ = 106574370304.

The previous prime is 213203012369. The next prime is 213203012417. The reversal of 213203012402 is 204210302312.

It can be written as a sum of positive squares in 2 ways, for example, as 213082868881 + 120143521 = 461609^2 + 10961^2 .

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, 13558127 + ... + 13573842.

Almost surely, 2^213203012402 is an apocalyptic number.

213203012402 is a deficient number, since it is larger than the sum of its proper divisors (106682913898).

213203012402 is a wasteful number, since it uses less digits than its factorization.

213203012402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27135900.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 213203012402 its reverse (204210302312), we get a palindrome (417413314714).

The spelling of 213203012402 in words is "two hundred thirteen billion, two hundred three million, twelve thousand, four hundred two".