213423433012 has 12 divisors (see below), whose sum is σ = 373523512320. Its totient is φ = 106702429496.

The previous prime is 213423432973. The next prime is 213423433019. The reversal of 213423433012 is 210334324312.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213423433019) 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, 2269918 + ... + 2362069.

It is an arithmetic number, because the mean of its divisors is an integer number (31126959360).

Almost surely, 2^213423433012 is an apocalyptic number.

It is an amenable number.

213423433012 is a deficient number, since it is larger than the sum of its proper divisors (160100079308).

213423433012 is a wasteful number, since it uses less digits than its factorization.

213423433012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4643510 (or 4643508 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 213423433012 its reverse (210334324312), we get a palindrome (423757757324).

The spelling of 213423433012 in words is "two hundred thirteen billion, four hundred twenty-three million, four hundred thirty-three thousand, twelve".