1213202023102 has 16 divisors (see below), whose sum is σ = 1916012201040. Its totient is φ = 574545624768.

The previous prime is 1213202023063. The next prime is 1213202023129. The reversal of 1213202023102 is 2013202023121.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 1213202023102.

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, 3412233 + ... + 3750964.

It is an arithmetic number, because the mean of its divisors is an integer number (119750762565).

Almost surely, 2^{1213202023102} is an apocalyptic number.

1213202023102 is a deficient number, since it is larger than the sum of its proper divisors (702810177938).

1213202023102 is a wasteful number, since it uses less digits than its factorization.

1213202023102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7167675.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1213202023102 its sum of digits (19), we get a palindrome (1213202023121).

Adding to 1213202023102 its reverse (2013202023121), we get a palindrome (3226404046223).

The spelling of 1213202023102 in words is "one trillion, two hundred thirteen billion, two hundred two million, twenty-three thousand, one hundred two".