20121503342 has 8 divisors (see below), whose sum is σ = 30338640336. Its totient is φ = 10008623232.

The previous prime is 20121503321. The next prime is 20121503357. The reversal of 20121503342 is 24330512102.

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

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, 26063738 + ... + 26064509.

It is an arithmetic number, because the mean of its divisors is an integer number (3792330042).

Almost surely, 2^20121503342 is an apocalyptic number.

20121503342 is a deficient number, since it is larger than the sum of its proper divisors (10217136994).

20121503342 is a wasteful number, since it uses less digits than its factorization.

20121503342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52128442.

The product of its (nonzero) digits is 1440, while the sum is 23.

The spelling of 20121503342 in words is "twenty billion, one hundred twenty-one million, five hundred three thousand, three hundred forty-two".