1201210303212 has 36 divisors (see below), whose sum is σ = 3064770222696. Its totient is φ = 396661344960.

The previous prime is 1201210303177. The next prime is 1201210303213. The reversal of 1201210303212 is 2123030121021.

It is a tau number, because it is divible by the number of its divisors (36).

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 (1201210303213) 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 11 ways as a sum of consecutive naturals, for example, 155916489 + ... + 155924192.

It is an arithmetic number, because the mean of its divisors is an integer number (85132506186).

Almost surely, 2^{1201210303212} is an apocalyptic number.

1201210303212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1201210303212 is an abundant number, since it is smaller than the sum of its proper divisors (1863559919484).

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

1201210303212 is a wasteful number, since it uses less digits than its factorization.

1201210303212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311840798 (or 311840793 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1201210303212 its reverse (2123030121021), we get a palindrome (3324240424233).

The spelling of 1201210303212 in words is "one trillion, two hundred one billion, two hundred ten million, three hundred three thousand, two hundred twelve".