211010001212 has 6 divisors (see below), whose sum is σ = 369267502128. Its totient is φ = 105505000604.

The previous prime is 211010001197. The next prime is 211010001283. The reversal of 211010001212 is 212100010112.

It is a super-2 number, since 2×211010001212² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211010001193 and 211010001202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26376250148 + ... + 26376250155.

It is an arithmetic number, because the mean of its divisors is an integer number (61544583688).

Almost surely, 2^211010001212 is an apocalyptic number.

It is an amenable number.

211010001212 is a deficient number, since it is larger than the sum of its proper divisors (158257500916).

211010001212 is a wasteful number, since it uses less digits than its factorization.

211010001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52752500307 (or 52752500305 counting only the distinct ones).

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

Adding to 211010001212 its reverse (212100010112), we get a palindrome (423110011324).

The spelling of 211010001212 in words is "two hundred eleven billion, ten million, one thousand, two hundred twelve".