1212022213102 has 4 divisors (see below), whose sum is σ = 1818033319656. Its totient is φ = 606011106550.

The previous prime is 1212022213069. The next prime is 1212022213139. The reversal of 1212022213102 is 2013122202121.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1212022213102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303005553274 + ... + 303005553277.

It is an arithmetic number, because the mean of its divisors is an integer number (454508329914).

Almost surely, 2^{1212022213102} is an apocalyptic number.

1212022213102 is a deficient number, since it is larger than the sum of its proper divisors (606011106554).

1212022213102 is an equidigital number, since it uses as much as digits as its factorization.

1212022213102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606011106553.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1212022213102 its reverse (2013122202121), we get a palindrome (3225144415223).

The spelling of 1212022213102 in words is "one trillion, two hundred twelve billion, twenty-two million, two hundred thirteen thousand, one hundred two".