1212012102 has 32 divisors (see below), whose sum is σ = 2817273600. Its totient is φ = 340419168.

The previous prime is 1212012101. The next prime is 1212012107. The reversal of 1212012102 is 2012102121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212012101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242077 + ... + 247032.

It is an arithmetic number, because the mean of its divisors is an integer number (88039800).

Almost surely, 2^1212012102 is an apocalyptic number.

1212012102 is an abundant number, since it is smaller than the sum of its proper divisors (1605261498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1212012102 is a wasteful number, since it uses less digits than its factorization.

1212012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489180.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1212012102 is about 34813.9641810582. The cubic root of 1212012102 is about 1066.1925709313.

Adding to 1212012102 its reverse (2012102121), we get a palindrome (3224114223).

It can be divided in two parts, 121 and 2012102, that multiplied together give a palindrome (243464342).

The spelling of 1212012102 in words is "one billion, two hundred twelve million, twelve thousand, one hundred two".