121193200146 has 16 divisors (see below), whose sum is σ = 242424883008. Its totient is φ = 40391319600.

The previous prime is 121193200123. The next prime is 121193200187. The reversal of 121193200146 is 641002391121.

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, 1562425 + ... + 1638156.

It is an arithmetic number, because the mean of its divisors is an integer number (15151555188).

Almost surely, 2^121193200146 is an apocalyptic number.

121193200146 is an abundant number, since it is smaller than the sum of its proper divisors (121231682862).

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

121193200146 is a wasteful number, since it uses less digits than its factorization.

121193200146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206897.

The product of its (nonzero) digits is 2592, while the sum is 30.

Adding to 121193200146 its reverse (641002391121), we get a palindrome (762195591267).

The spelling of 121193200146 in words is "one hundred twenty-one billion, one hundred ninety-three million, two hundred thousand, one hundred forty-six".