121230023010 has 64 divisors (see below), whose sum is σ = 295453785600. Its totient is φ = 31830858752.

The previous prime is 121230023003. The next prime is 121230023017. The reversal of 121230023010 is 10320032121.

It is an interprime number because it is at equal distance from previous prime (121230023003) and next prime (121230023017).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (121230023017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 543142 + ... + 733118.

It is an arithmetic number, because the mean of its divisors is an integer number (4616465400).

Almost surely, 2^121230023010 is an apocalyptic number.

121230023010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121230023010 is an abundant number, since it is smaller than the sum of its proper divisors (174223762590).

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

121230023010 is a wasteful number, since it uses less digits than its factorization.

121230023010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190315.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 121230023010 its reverse (10320032121), we get a palindrome (131550055131).

The spelling of 121230023010 in words is "one hundred twenty-one billion, two hundred thirty million, twenty-three thousand, ten".