121123200002 has 8 divisors (see below), whose sum is σ = 207639771456. Its totient is φ = 51909942852.

The previous prime is 121123199999. The next prime is 121123200043. The reversal of 121123200002 is 200002321121.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 8651657143 = 121123200002 / (1 + 2 + 1 + 1 + 2 + 3 + 2 + 0 + 0 + 0 + 0 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 121123200002.

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, 4325828558 + ... + 4325828585.

It is an arithmetic number, because the mean of its divisors is an integer number (25954971432).

Almost surely, 2^121123200002 is an apocalyptic number.

121123200002 is a deficient number, since it is larger than the sum of its proper divisors (86516571454).

121123200002 is an equidigital number, since it uses as much as digits as its factorization.

121123200002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8651657152.

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

Adding to 121123200002 its reverse (200002321121), we get a palindrome (321125521123).

The spelling of 121123200002 in words is "one hundred twenty-one billion, one hundred twenty-three million, two hundred thousand, two".