12121023011 has 2 divisors, whose sum is σ = 12121023012. Its totient is φ = 12121023010.

The previous prime is 12121022993. The next prime is 12121023017. The reversal of 12121023011 is 11032012121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12121023011 - 2¹⁴ = 12121006627 is a prime.

It is a super-2 number, since 2×12121023011² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12121023017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060511505 + 6060511506.

It is an arithmetic number, because the mean of its divisors is an integer number (6060511506).

Almost surely, 2^12121023011 is an apocalyptic number.

12121023011 is a deficient number, since it is larger than the sum of its proper divisors (1).

12121023011 is an equidigital number, since it uses as much as digits as its factorization.

12121023011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12121023011 its reverse (11032012121), we get a palindrome (23153035132).

The spelling of 12121023011 in words is "twelve billion, one hundred twenty-one million, twenty-three thousand, eleven".