102320012025142 has 4 divisors (see below), whose sum is σ = 153480018037716. Its totient is φ = 51160006012570.

The previous prime is 102320012025131. The next prime is 102320012025163. The reversal of 102320012025142 is 241520210023201.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 25580003006284 + ... + 25580003006287.

It is an arithmetic number, because the mean of its divisors is an integer number (38370004509429).

Almost surely, 2^{102320012025142} is an apocalyptic number.

102320012025142 is a deficient number, since it is larger than the sum of its proper divisors (51160006012574).

102320012025142 is an equidigital number, since it uses as much as digits as its factorization.

102320012025142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51160006012573.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 102320012025142 its reverse (241520210023201), we get a palindrome (343840222048343).

The spelling of 102320012025142 in words is "one hundred two trillion, three hundred twenty billion, twelve million, twenty-five thousand, one hundred forty-two".