12111012058 has 32 divisors (see below), whose sum is σ = 19998534528. Its totient is φ = 5477260800.

The previous prime is 12111011999. The next prime is 12111012059. The reversal of 12111012058 is 85021011121.

It is a super-2 number, since 2×12111012058² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12111012059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28563 + ... + 158233.

It is an arithmetic number, because the mean of its divisors is an integer number (624954204).

Almost surely, 2^12111012058 is an apocalyptic number.

12111012058 is a deficient number, since it is larger than the sum of its proper divisors (7887522470).

12111012058 is a wasteful number, since it uses less digits than its factorization.

12111012058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129798.

The product of its (nonzero) digits is 160, while the sum is 22.

Adding to 12111012058 its reverse (85021011121), we get a palindrome (97132023179).

The spelling of 12111012058 in words is "twelve billion, one hundred eleven million, twelve thousand, fifty-eight".