12010654821 has 8 divisors (see below), whose sum is σ = 17470043424. Its totient is φ = 7279184720.

The previous prime is 12010654769. The next prime is 12010654823. The reversal of 12010654821 is 12845601021.

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 12010654821 - 2¹³ = 12010646629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010654823) 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, 181979586 + ... + 181979651.

It is an arithmetic number, because the mean of its divisors is an integer number (2183755428).

Almost surely, 2^12010654821 is an apocalyptic number.

12010654821 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12010654821 is a deficient number, since it is larger than the sum of its proper divisors (5459388603).

12010654821 is a wasteful number, since it uses less digits than its factorization.

12010654821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363959251.

The product of its (nonzero) digits is 3840, while the sum is 30.

The spelling of 12010654821 in words is "twelve billion, ten million, six hundred fifty-four thousand, eight hundred twenty-one".