211420343012 has 24 divisors (see below), whose sum is σ = 379144916640. Its totient is φ = 103095064640.

The previous prime is 211420342979. The next prime is 211420343083. The reversal of 211420343012 is 210343024112.

It is a super-2 number, since 2×211420343012² (a number of 23 digits) contains 22 as substring.

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, 233663 + ... + 690969.

It is an arithmetic number, because the mean of its divisors is an integer number (15797704860).

Almost surely, 2^211420343012 is an apocalyptic number.

It is an amenable number.

211420343012 is a deficient number, since it is larger than the sum of its proper divisors (167724573628).

211420343012 is a wasteful number, since it uses less digits than its factorization.

211420343012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460171 (or 460169 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 211420343012 its reverse (210343024112), we get a palindrome (421763367124).

The spelling of 211420343012 in words is "two hundred eleven billion, four hundred twenty million, three hundred forty-three thousand, twelve".