12011012101 has 8 divisors (see below), whose sum is σ = 13197189600. Its totient is φ = 10840545840.

The previous prime is 12011012071. The next prime is 12011012129. The reversal of 12011012101 is 10121011021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12011012101 - 2⁷ = 12011011973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011012171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3926206 + ... + 3929263.

It is an arithmetic number, because the mean of its divisors is an integer number (1649648700).

Almost surely, 2^12011012101 is an apocalyptic number.

12011012101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12011012101 is a deficient number, since it is larger than the sum of its proper divisors (1186177499).

12011012101 is a wasteful number, since it uses less digits than its factorization.

12011012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7855619.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 12011012101 its reverse (10121011021), we get a palindrome (22132023122).

The spelling of 12011012101 in words is "twelve billion, eleven million, twelve thousand, one hundred one".