213203204012 has 24 divisors (see below), whose sum is σ = 382976810832. Its totient is φ = 103815864000.

The previous prime is 213203204003. The next prime is 213203204033. The reversal of 213203204012 is 210402302312.

It is a super-3 number, since 3×213203204012³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4301018 + ... + 4350305.

It is an arithmetic number, because the mean of its divisors is an integer number (15957367118).

Almost surely, 2^213203204012 is an apocalyptic number.

It is an amenable number.

213203204012 is a deficient number, since it is larger than the sum of its proper divisors (169773606820).

213203204012 is a wasteful number, since it uses less digits than its factorization.

213203204012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8651489 (or 8651487 counting only the distinct ones).

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

Adding to 213203204012 its reverse (210402302312), we get a palindrome (423605506324).

The spelling of 213203204012 in words is "two hundred thirteen billion, two hundred three million, two hundred four thousand, twelve".