1200123330102 has 64 divisors (see below), whose sum is σ = 2832351494400. Its totient is φ = 375371694720.

The previous prime is 1200123330061. The next prime is 1200123330113. The reversal of 1200123330102 is 2010333210021.

1200123330102 is a `hidden beast` number, since 1 + 200 + 123 + 330 + 10 + 2 = 666.

It is a super-2 number, since 2×1200123330102² (a number of 25 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1670952 + ... + 2278667.

It is an arithmetic number, because the mean of its divisors is an integer number (44255492100).

Almost surely, 2^{1200123330102} is an apocalyptic number.

1200123330102 is an abundant number, since it is smaller than the sum of its proper divisors (1632228164298).

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

1200123330102 is a wasteful number, since it uses less digits than its factorization.

1200123330102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3949978 (or 3949972 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1200123330102 its reverse (2010333210021), we get a palindrome (3210456540123).

The spelling of 1200123330102 in words is "one trillion, two hundred billion, one hundred twenty-three million, three hundred thirty thousand, one hundred two".