211212011012 has 24 divisors (see below), whose sum is σ = 370880331360. Its totient is φ = 105246630720.

The previous prime is 211212011011. The next prime is 211212011029. The reversal of 211212011012 is 210110212112.

It is a super-2 number, since 2×211212011012² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211212011011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1949903 + ... + 2055369.

It is an arithmetic number, because the mean of its divisors is an integer number (15453347140).

Almost surely, 2^211212011012 is an apocalyptic number.

It is an amenable number.

211212011012 is a deficient number, since it is larger than the sum of its proper divisors (159668320348).

211212011012 is a wasteful number, since it uses less digits than its factorization.

211212011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107171 (or 107169 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 211212011012 its reverse (210110212112), we get a palindrome (421322223124).

The spelling of 211212011012 in words is "two hundred eleven billion, two hundred twelve million, eleven thousand, twelve".