12020022131 has 8 divisors (see below), whose sum is σ = 13294494864. Its totient is φ = 10795528800.

The previous prime is 12020022107. The next prime is 12020022137. The reversal of 12020022131 is 13122002021.

It is a happy number.

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 12020022131 - 2¹⁴ = 12020005747 is a prime.

It is a super-2 number, since 2×12020022131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12020022137) 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, 12494345 + ... + 12495306.

It is an arithmetic number, because the mean of its divisors is an integer number (1661811858).

Almost surely, 2^12020022131 is an apocalyptic number.

12020022131 is a deficient number, since it is larger than the sum of its proper divisors (1274472733).

12020022131 is a wasteful number, since it uses less digits than its factorization.

12020022131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24989701.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12020022131 its reverse (13122002021), we get a palindrome (25142024152).

The spelling of 12020022131 in words is "twelve billion, twenty million, twenty-two thousand, one hundred thirty-one".