121231302342 has 8 divisors (see below), whose sum is σ = 242462604696. Its totient is φ = 40410434112.

The previous prime is 121231302337. The next prime is 121231302371. The reversal of 121231302342 is 243203132121.

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

121231302342 is an admirable number.

It is a congruent number.

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, 10102608523 + ... + 10102608534.

It is an arithmetic number, because the mean of its divisors is an integer number (30307825587).

Almost surely, 2^121231302342 is an apocalyptic number.

121231302342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

121231302342 is a wasteful number, since it uses less digits than its factorization.

121231302342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20205217062.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 121231302342 its reverse (243203132121), we get a palindrome (364434434463).

The spelling of 121231302342 in words is "one hundred twenty-one billion, two hundred thirty-one million, three hundred two thousand, three hundred forty-two".