1202121112112 has 20 divisors (see below), whose sum is σ = 2329273052400. Its totient is φ = 601018388928.

The previous prime is 1202121112103. The next prime is 1202121112139. The reversal of 1202121112112 is 2112111212021.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2399612 + ... + 2856987.

It is an arithmetic number, because the mean of its divisors is an integer number (116463652620).

Almost surely, 2^{1202121112112} is an apocalyptic number.

It is an amenable number.

1202121112112 is a deficient number, since it is larger than the sum of its proper divisors (1127151940288).

1202121112112 is a wasteful number, since it uses less digits than its factorization.

1202121112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5270900 (or 5270894 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1202121112112 its reverse (2112111212021), we get a palindrome (3314232324133).

Subtracting 1202121112112 from its reverse (2112111212021), we obtain a palindrome (909990099909).

The spelling of 1202121112112 in words is "one trillion, two hundred two billion, one hundred twenty-one million, one hundred twelve thousand, one hundred twelve".