12010101212 has 12 divisors (see below), whose sum is σ = 21047664456. Its totient is φ = 5996482800.

The previous prime is 12010101211. The next prime is 12010101217. The reversal of 12010101212 is 21210101021.

It is a super-2 number, since 2×12010101212² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12010101193 and 12010101202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010101211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2138798 + ... + 2144405.

It is an arithmetic number, because the mean of its divisors is an integer number (1753972038).

Almost surely, 2^12010101212 is an apocalyptic number.

It is an amenable number.

12010101212 is a deficient number, since it is larger than the sum of its proper divisors (9037563244).

12010101212 is a wasteful number, since it uses less digits than its factorization.

12010101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4283908 (or 4283906 counting only the distinct ones).

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

Adding to 12010101212 its reverse (21210101021), we get a palindrome (33220202233).

The spelling of 12010101212 in words is "twelve billion, ten million, one hundred one thousand, two hundred twelve".