1000120200102 has 96 divisors (see below), whose sum is σ = 2315820780000. Its totient is φ = 310842261504.

The previous prime is 1000120200097. The next prime is 1000120200127. The reversal of 1000120200102 is 2010020210001.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20895174 + ... + 20942982.

It is an arithmetic number, because the mean of its divisors is an integer number (24123133125).

Almost surely, 2^{1000120200102} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1000120200102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1157910390000).

1000120200102 is an abundant number, since it is smaller than the sum of its proper divisors (1315700579898).

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

1000120200102 is a wasteful number, since it uses less digits than its factorization.

1000120200102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48470 (or 48467 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1000120200102 its reverse (2010020210001), we get a palindrome (3010140410103).

The spelling of 1000120200102 in words is "one trillion, one hundred twenty million, two hundred thousand, one hundred two".