1021213442134 has 8 divisors (see below), whose sum is σ = 1532693996280. Its totient is φ = 510315443376.

The previous prime is 1021213442101. The next prime is 1021213442149. The reversal of 1021213442134 is 4312443121201.

It is a happy number.

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, 145634464 + ... + 145641475.

It is an arithmetic number, because the mean of its divisors is an integer number (191586749535).

Almost surely, 2^{1021213442134} is an apocalyptic number.

1021213442134 is a deficient number, since it is larger than the sum of its proper divisors (511480554146).

1021213442134 is a wasteful number, since it uses less digits than its factorization.

1021213442134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291277694.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 1021213442134 its reverse (4312443121201), we get a palindrome (5333656563335).

The spelling of 1021213442134 in words is "one trillion, twenty-one billion, two hundred thirteen million, four hundred forty-two thousand, one hundred thirty-four".