1212012022102 has 48 divisors (see below), whose sum is σ = 2180453641632. Its totient is φ = 494915604480.

The previous prime is 1212012022099. The next prime is 1212012022103. The reversal of 1212012022102 is 2012202102121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212012022103) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 1584952 + ... + 2221732.

It is an arithmetic number, because the mean of its divisors is an integer number (45426117534).

Almost surely, 2^{1212012022102} is an apocalyptic number.

1212012022102 is a deficient number, since it is larger than the sum of its proper divisors (968441619530).

1212012022102 is a wasteful number, since it uses less digits than its factorization.

1212012022102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637093 (or 637070 counting only the distinct ones).

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

Adding to 1212012022102 its reverse (2012202102121), we get a palindrome (3224214124223).

The spelling of 1212012022102 in words is "one trillion, two hundred twelve billion, twelve million, twenty-two thousand, one hundred two".