23121210002 has 8 divisors (see below), whose sum is σ = 37834707312. Its totient is φ = 10509640900.

The previous prime is 23121209989. The next prime is 23121210031. The reversal of 23121210002 is 20001212132.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 525482024 + ... + 525482067.

It is an arithmetic number, because the mean of its divisors is an integer number (4729338414).

Almost surely, 2^23121210002 is an apocalyptic number.

23121210002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23121210002 is a deficient number, since it is larger than the sum of its proper divisors (14713497310).

23121210002 is a wasteful number, since it uses less digits than its factorization.

23121210002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050964104.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 23121210002 its reverse (20001212132), we get a palindrome (43122422134).

The spelling of 23121210002 in words is "twenty-three billion, one hundred twenty-one million, two hundred ten thousand, two".