10121230440290 has 16 divisors (see below), whose sum is σ = 18266283967680. Its totient is φ = 4037810137200.

The previous prime is 10121230440247. The next prime is 10121230440319. The reversal of 10121230440290 is 9204403212101.

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, 1335250886 + ... + 1335258465.

It is an arithmetic number, because the mean of its divisors is an integer number (1141642747980).

Almost surely, 2^{10121230440290} is an apocalyptic number.

10121230440290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10121230440290 is a deficient number, since it is larger than the sum of its proper divisors (8145053527390).

10121230440290 is a wasteful number, since it uses less digits than its factorization.

10121230440290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2670509737.

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 10121230440290 its reverse (9204403212101), we get a palindrome (19325633652391).

The spelling of 10121230440290 in words is "ten trillion, one hundred twenty-one billion, two hundred thirty million, four hundred forty thousand, two hundred ninety".