1213112102 has 16 divisors (see below), whose sum is σ = 1850595552. Its totient is φ = 596301120.

The previous prime is 1213112083. The next prime is 1213112113. The reversal of 1213112102 is 2012113121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32048 + ... + 58764.

It is an arithmetic number, because the mean of its divisors is an integer number (115662222).

Almost surely, 2^1213112102 is an apocalyptic number.

1213112102 is a deficient number, since it is larger than the sum of its proper divisors (637483450).

1213112102 is a wasteful number, since it uses less digits than its factorization.

1213112102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27103.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1213112102 is about 34829.7588564721. The cubic root of 1213112102 is about 1066.5150256871.

Adding to 1213112102 its reverse (2012113121), we get a palindrome (3225225223).

The spelling of 1213112102 in words is "one billion, two hundred thirteen million, one hundred twelve thousand, one hundred two".