3121440123202 has 8 divisors (see below), whose sum is σ = 4682238840576. Its totient is φ = 1560693843012.

The previous prime is 3121440123199. The next prime is 3121440123203. The reversal of 3121440123202 is 2023210441213.

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

It is not an unprimeable number, because it can be changed into a prime (3121440123203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12960138 + ... + 13198789.

It is an arithmetic number, because the mean of its divisors is an integer number (585279855072).

Almost surely, 2^{3121440123202} is an apocalyptic number.

3121440123202 is a deficient number, since it is larger than the sum of its proper divisors (1560798717374).

3121440123202 is a wasteful number, since it uses less digits than its factorization.

3121440123202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26218592.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 3121440123202 its reverse (2023210441213), we get a palindrome (5144650564415).

The spelling of 3121440123202 in words is "three trillion, one hundred twenty-one billion, four hundred forty million, one hundred twenty-three thousand, two hundred two".