1223512102 has 8 divisors (see below), whose sum is σ = 1869896016. Its totient is φ = 600213432.

The previous prime is 1223512063. The next prime is 1223512111. The reversal of 1223512102 is 2012153221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1223512102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5771178 + ... + 5771389.

It is an arithmetic number, because the mean of its divisors is an integer number (233737002).

Almost surely, 2^1223512102 is an apocalyptic number.

1223512102 is a deficient number, since it is larger than the sum of its proper divisors (646383914).

1223512102 is a wasteful number, since it uses less digits than its factorization.

1223512102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11542622.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1223512102 is about 34978.7378560176. The cubic root of 1223512102 is about 1069.5540990048.

Adding to 1223512102 its reverse (2012153221), we get a palindrome (3235665323).

The spelling of 1223512102 in words is "one billion, two hundred twenty-three million, five hundred twelve thousand, one hundred two".