211134121412 has 6 divisors (see below), whose sum is σ = 369484712478. Its totient is φ = 105567060704.

The previous prime is 211134121357. The next prime is 211134121423. The reversal of 211134121412 is 214121431112.

It can be written as a sum of positive squares in only one way, i.e., 138587931076 + 72546190336 = 372274^2 + 269344^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26391765173 + ... + 26391765180.

It is an arithmetic number, because the mean of its divisors is an integer number (61580785413).

Almost surely, 2^211134121412 is an apocalyptic number.

It is an amenable number.

211134121412 is a deficient number, since it is larger than the sum of its proper divisors (158350591066).

211134121412 is a wasteful number, since it uses less digits than its factorization.

211134121412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52783530357 (or 52783530355 counting only the distinct ones).

The product of its digits is 384, while the sum is 23.

Adding to 211134121412 its reverse (214121431112), we get a palindrome (425255552524).

The spelling of 211134121412 in words is "two hundred eleven billion, one hundred thirty-four million, one hundred twenty-one thousand, four hundred twelve".