1223202102432 has 96 divisors (see below), whose sum is σ = 3273708166848. Its totient is φ = 399823681536.

The previous prime is 1223202102349. The next prime is 1223202102439. The reversal of 1223202102432 is 2342012023221.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1223202102439) 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, 707923 + ... + 1716845.

It is an arithmetic number, because the mean of its divisors is an integer number (34101126738).

Almost surely, 2^{1223202102432} is an apocalyptic number.

1223202102432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1223202102432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1636854083424).

1223202102432 is an abundant number, since it is smaller than the sum of its proper divisors (2050506064416).

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

1223202102432 is a wasteful number, since it uses less digits than its factorization.

1223202102432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009182 (or 1009174 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 1223202102432 its reverse (2342012023221), we get a palindrome (3565214125653).

The spelling of 1223202102432 in words is "one trillion, two hundred twenty-three billion, two hundred two million, one hundred two thousand, four hundred thirty-two".