211000101212 has 48 divisors (see below), whose sum is σ = 395670139200. Its totient is φ = 98210365440.

The previous prime is 211000101131. The next prime is 211000101217. The reversal of 211000101212 is 212101000112.

It is a super-2 number, since 2×211000101212² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211000101193 and 211000101202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211000101217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1474364 + ... + 1611132.

It is an arithmetic number, because the mean of its divisors is an integer number (8243127900).

Almost surely, 2^211000101212 is an apocalyptic number.

It is an amenable number.

211000101212 is a deficient number, since it is larger than the sum of its proper divisors (184670037988).

211000101212 is a wasteful number, since it uses less digits than its factorization.

211000101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137246 (or 137244 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 211000101212 its reverse (212101000112), we get a palindrome (423101101324).

The spelling of 211000101212 in words is "two hundred eleven billion, one hundred one thousand, two hundred twelve".