1012020219974 has 4 divisors (see below), whose sum is σ = 1518030329964. Its totient is φ = 506010109986.

The previous prime is 1012020219961. The next prime is 1012020219989. The reversal of 1012020219974 is 4799120202101.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253005054992 + ... + 253005054995.

It is an arithmetic number, because the mean of its divisors is an integer number (379507582491).

Almost surely, 2^{1012020219974} is an apocalyptic number.

1012020219974 is a deficient number, since it is larger than the sum of its proper divisors (506010109990).

1012020219974 is an equidigital number, since it uses as much as digits as its factorization.

1012020219974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506010109989.

The product of its (nonzero) digits is 18144, while the sum is 38.

The spelling of 1012020219974 in words is "one trillion, twelve billion, twenty million, two hundred nineteen thousand, nine hundred seventy-four".