120212001111 has 32 divisors (see below), whose sum is σ = 174345635520. Its totient is φ = 73368446976.

The previous prime is 120212001101. The next prime is 120212001139. The reversal of 120212001111 is 111100212021.

It is not a de Polignac number, because 120212001111 - 2¹⁵ = 120211968343 is a prime.

It is a super-2 number, since 2×120212001111² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120212001101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9785505 + ... + 9797781.

It is an arithmetic number, because the mean of its divisors is an integer number (5448301110).

Almost surely, 2^120212001111 is an apocalyptic number.

120212001111 is a deficient number, since it is larger than the sum of its proper divisors (54133634409).

120212001111 is a wasteful number, since it uses less digits than its factorization.

120212001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17523.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 120212001111 its reverse (111100212021), we get a palindrome (231312213132).

The spelling of 120212001111 in words is "one hundred twenty billion, two hundred twelve million, one thousand, one hundred eleven".