51203020302102 has 8 divisors (see below), whose sum is σ = 102406040604216. Its totient is φ = 17067673434032.

The previous prime is 51203020302101. The next prime is 51203020302107. The reversal of 51203020302102 is 20120302030215.

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

51203020302102 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51203020302101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4266918358503 + ... + 4266918358514.

It is an arithmetic number, because the mean of its divisors is an integer number (12800755075527).

Almost surely, 2^{51203020302102} is an apocalyptic number.

51203020302102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51203020302102 is a wasteful number, since it uses less digits than its factorization.

51203020302102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8533836717022.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 51203020302102 its reverse (20120302030215), we get a palindrome (71323322332317).

The spelling of 51203020302102 in words is "fifty-one trillion, two hundred three billion, twenty million, three hundred two thousand, one hundred two".