102120000001092 has 72 divisors (see below), whose sum is σ = 262233115706016. Its totient is φ = 33501805939584.

The previous prime is 102120000001091. The next prime is 102120000001099. The reversal of 102120000001092 is 290100000021201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (102120000001091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40377058 + ... + 42831609.

It is an arithmetic number, because the mean of its divisors is an integer number (3642126607028).

Almost surely, 2^{102120000001092} is an apocalyptic number.

102120000001092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102120000001092 is an abundant number, since it is smaller than the sum of its proper divisors (160113115704924).

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

102120000001092 is a wasteful number, since it uses less digits than its factorization.

102120000001092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83209217 (or 83209212 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 102120000001092 its reverse (290100000021201), we get a palindrome (392220000022293).

The spelling of 102120000001092 in words is "one hundred two trillion, one hundred twenty billion, one thousand, ninety-two".