102120200112012 has 24 divisors (see below), whose sum is σ = 238605542619696. Its totient is φ = 33993627319488.

The previous prime is 102120200111999. The next prime is 102120200112017. The reversal of 102120200112012 is 210211002021201.

It is a junction number, because it is equal to n+sod(n) for n = 102120200111982 and 102120200112000.

It is not an unprimeable number, because it can be changed into a prime (102120200112017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5804913903 + ... + 5804931494.

It is an arithmetic number, because the mean of its divisors is an integer number (9941897609154).

Almost surely, 2^{102120200112012} is an apocalyptic number.

102120200112012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102120200112012 is an abundant number, since it is smaller than the sum of its proper divisors (136485342507684).

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

102120200112012 is a wasteful number, since it uses less digits than its factorization.

102120200112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11609846137 (or 11609846135 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102120200112012 its reverse (210211002021201), we get a palindrome (312331202133213).

The spelling of 102120200112012 in words is "one hundred two trillion, one hundred twenty billion, two hundred million, one hundred twelve thousand, twelve".