1212210001022 has 8 divisors (see below), whose sum is σ = 1818478390872. Its totient is φ = 606050537400.

The previous prime is 1212210001021. The next prime is 1212210001031. The reversal of 1212210001022 is 2201000122121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1212210000988 and 1212210001006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212210001021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27203729 + ... + 27248252.

It is an arithmetic number, because the mean of its divisors is an integer number (227309798859).

Almost surely, 2^{1212210001022} is an apocalyptic number.

1212210001022 is a deficient number, since it is larger than the sum of its proper divisors (606268389850).

1212210001022 is a wasteful number, since it uses less digits than its factorization.

1212210001022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54463114.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1212210001022 its reverse (2201000122121), we get a palindrome (3413210123143).

The spelling of 1212210001022 in words is "one trillion, two hundred twelve billion, two hundred ten million, one thousand, twenty-two".