1012151204242 has 8 divisors (see below), whose sum is σ = 1518462173232. Its totient is φ = 505997146500.

The previous prime is 1012151204221. The next prime is 1012151204297. The reversal of 1012151204242 is 2424021512101.

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, 39211684 + ... + 39237487.

It is an arithmetic number, because the mean of its divisors is an integer number (189807771654).

Almost surely, 2^{1012151204242} is an apocalyptic number.

1012151204242 is a deficient number, since it is larger than the sum of its proper divisors (506310968990).

1012151204242 is an equidigital number, since it uses as much as digits as its factorization.

1012151204242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78455624.

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 1012151204242 its reverse (2424021512101), we get a palindrome (3436172716343).

The spelling of 1012151204242 in words is "one trillion, twelve billion, one hundred fifty-one million, two hundred four thousand, two hundred forty-two".