1202121210012 has 24 divisors (see below), whose sum is σ = 2805303916800. Its totient is φ = 400656437616.

The previous prime is 1202121209999. The next prime is 1202121210067. The reversal of 1202121210012 is 2100121212021.

It is a super-3 number, since 3×1202121210012³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1202121209973 and 1202121210000.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6230062 + ... + 6420117.

It is an arithmetic number, because the mean of its divisors is an integer number (116887663200).

Almost surely, 2^{1202121210012} is an apocalyptic number.

1202121210012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1202121210012 is an abundant number, since it is smaller than the sum of its proper divisors (1603182706788).

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

1202121210012 is a wasteful number, since it uses less digits than its factorization.

1202121210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12658105 (or 12658103 counting only the distinct ones).

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

Adding to 1202121210012 its reverse (2100121212021), we get a palindrome (3302242422033).

The spelling of 1202121210012 in words is "one trillion, two hundred two billion, one hundred twenty-one million, two hundred ten thousand, twelve".