321202111012 has 12 divisors (see below), whose sum is σ = 562125961600. Its totient is φ = 160594693416.

The previous prime is 321202111003. The next prime is 321202111019. The reversal of 321202111012 is 210111202123.

It is a super-2 number, since 2×321202111012² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (321202111019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1476012 + ... + 1679587.

Almost surely, 2^321202111012 is an apocalyptic number.

It is an amenable number.

321202111012 is a deficient number, since it is larger than the sum of its proper divisors (240923850588).

321202111012 is a wasteful number, since it uses less digits than its factorization.

321202111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3181050 (or 3181048 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 321202111012 its reverse (210111202123), we get a palindrome (531313313135).

The spelling of 321202111012 in words is "three hundred twenty-one billion, two hundred two million, one hundred eleven thousand, twelve".