12021012211022 has 4 divisors (see below), whose sum is σ = 18031518316536. Its totient is φ = 6010506105510.

The previous prime is 12021012210947. The next prime is 12021012211027. The reversal of 12021012211022 is 22011221012021.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021012211027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3005253052754 + ... + 3005253052757.

It is an arithmetic number, because the mean of its divisors is an integer number (4507879579134).

Almost surely, 2^{12021012211022} is an apocalyptic number.

12021012211022 is a deficient number, since it is larger than the sum of its proper divisors (6010506105514).

12021012211022 is an equidigital number, since it uses as much as digits as its factorization.

12021012211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6010506105513.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12021012211022 its reverse (22011221012021), we get a palindrome (34032233223043).

The spelling of 12021012211022 in words is "twelve trillion, twenty-one billion, twelve million, two hundred eleven thousand, twenty-two".