1213032021102 has 24 divisors (see below), whose sum is σ = 2867166595800. Its totient is φ = 367585460880.

The previous prime is 1213032021101. The next prime is 1213032021121. The reversal of 1213032021102 is 2011202303121.

1213032021102 is a `hidden beast` number, since 1 + 2 + 130 + 320 + 211 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213032021101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3063211977 + ... + 3063212372.

It is an arithmetic number, because the mean of its divisors is an integer number (119465274825).

Almost surely, 2^{1213032021102} is an apocalyptic number.

1213032021102 is an abundant number, since it is smaller than the sum of its proper divisors (1654134574698).

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

1213032021102 is a wasteful number, since it uses less digits than its factorization.

1213032021102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6126424368 (or 6126424365 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1213032021102 its reverse (2011202303121), we get a palindrome (3224234324223).

The spelling of 1213032021102 in words is "one trillion, two hundred thirteen billion, thirty-two million, twenty-one thousand, one hundred two".