121310150403 has 8 divisors (see below), whose sum is σ = 174188933968. Its totient is φ = 74652400224.

The previous prime is 121310150387. The next prime is 121310150407. The reversal of 121310150403 is 304051013121.

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

It is not a de Polignac number, because 121310150403 - 2⁴ = 121310150387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121310150403.

It is not an unprimeable number, because it can be changed into a prime (121310150407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1555258300 + ... + 1555258377.

It is an arithmetic number, because the mean of its divisors is an integer number (21773616746).

Almost surely, 2^121310150403 is an apocalyptic number.

121310150403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121310150403 is a deficient number, since it is larger than the sum of its proper divisors (52878783565).

121310150403 is a wasteful number, since it uses less digits than its factorization.

121310150403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3110516693.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 121310150403 its reverse (304051013121), we get a palindrome (425361163524).

The spelling of 121310150403 in words is "one hundred twenty-one billion, three hundred ten million, one hundred fifty thousand, four hundred three".