1200102340212 has 72 divisors (see below), whose sum is σ = 3052037614080. Its totient is φ = 397607434560.

The previous prime is 1200102340211. The next prime is 1200102340271. The reversal of 1200102340212 is 2120432010021.

It is a happy number.

1200102340212 is a `hidden beast` number, since 1 + 200 + 102 + 340 + 21 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200102340211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4947214 + ... + 5184122.

Almost surely, 2^{1200102340212} is an apocalyptic number.

1200102340212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1200102340212 is an abundant number, since it is smaller than the sum of its proper divisors (1851935273868).

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

1200102340212 is a wasteful number, since it uses less digits than its factorization.

1200102340212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237773 (or 237768 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 1200102340212 its reverse (2120432010021), we get a palindrome (3320534350233).

The spelling of 1200102340212 in words is "one trillion, two hundred billion, one hundred two million, three hundred forty thousand, two hundred twelve".