211330199012 has 24 divisors (see below), whose sum is σ = 378063453432. Its totient is φ = 103332096000.

The previous prime is 211330198997. The next prime is 211330199021. The reversal of 211330199012 is 210991033112.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3297515776 + 208032683236 = 57424^2 + 456106^2 .

It is a super-2 number, since 2×211330199012² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211330199012.

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, 2460989 + ... + 2545412.

It is an arithmetic number, because the mean of its divisors is an integer number (15752643893).

Almost surely, 2^211330199012 is an apocalyptic number.

It is an amenable number.

211330199012 is a deficient number, since it is larger than the sum of its proper divisors (166733254420).

211330199012 is a wasteful number, since it uses less digits than its factorization.

211330199012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5006639 (or 5006637 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 32.

The spelling of 211330199012 in words is "two hundred eleven billion, three hundred thirty million, one hundred ninety-nine thousand, twelve".