1212020122102 has 4 divisors (see below), whose sum is σ = 1818030183156. Its totient is φ = 606010061050.

The previous prime is 1212020122099. The next prime is 1212020122111. The reversal of 1212020122102 is 2012210202121.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303005030524 + ... + 303005030527.

It is an arithmetic number, because the mean of its divisors is an integer number (454507545789).

Almost surely, 2^{1212020122102} is an apocalyptic number.

1212020122102 is a deficient number, since it is larger than the sum of its proper divisors (606010061054).

1212020122102 is an equidigital number, since it uses as much as digits as its factorization.

1212020122102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606010061053.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1212020122102 its reverse (2012210202121), we get a palindrome (3224230324223).

The spelling of 1212020122102 in words is "one trillion, two hundred twelve billion, twenty million, one hundred twenty-two thousand, one hundred two".