213420011012 has 12 divisors (see below), whose sum is σ = 402214636236. Its totient is φ = 98501543520.

The previous prime is 213420010997. The next prime is 213420011017. The reversal of 213420011012 is 210110024312.

It can be written as a sum of positive squares in 2 ways, for example, as 80527683076 + 132892327936 = 283774^2 + 364544^2 .

It is a super-2 number, since 2×213420011012² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213420011017) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 2052115439 + ... + 2052115542.

It is an arithmetic number, because the mean of its divisors is an integer number (33517886353).

Almost surely, 2^213420011012 is an apocalyptic number.

It is an amenable number.

213420011012 is a deficient number, since it is larger than the sum of its proper divisors (188794625224).

213420011012 is a wasteful number, since it uses less digits than its factorization.

213420011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4104230998 (or 4104230996 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 213420011012 its reverse (210110024312), we get a palindrome (423530035324).

The spelling of 213420011012 in words is "two hundred thirteen billion, four hundred twenty million, eleven thousand, twelve".