12021211201031 has 2 divisors, whose sum is σ = 12021211201032. Its totient is φ = 12021211201030.

The previous prime is 12021211201001. The next prime is 12021211201039. The reversal of 12021211201031 is 13010211212021.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (13010211212021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12021211201031 - 2³⁴ = 12004031331847 is a prime.

It is a super-2 number, since 2×12021211201031² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12021211201039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010605600515 + 6010605600516.

It is an arithmetic number, because the mean of its divisors is an integer number (6010605600516).

Almost surely, 2^{12021211201031} is an apocalyptic number.

12021211201031 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021211201031 is an equidigital number, since it uses as much as digits as its factorization.

12021211201031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 12021211201031 its reverse (13010211212021), we get a palindrome (25031422413052).

The spelling of 12021211201031 in words is "twelve trillion, twenty-one billion, two hundred eleven million, two hundred one thousand, thirty-one".