1202121222192 has 120 divisors (see below), whose sum is σ = 3670912756368. Its totient is φ = 364199731200.

The previous prime is 1202121222191. The next prime is 1202121222319. The reversal of 1202121222192 is 2912221212021.

1202121222192 is a `hidden beast` number, since 120 + 21 + 212 + 221 + 92 = 666.

It is not an unprimeable number, because it can be changed into a prime (1202121222191) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7397688 + ... + 7558440.

Almost surely, 2^{1202121222192} is an apocalyptic number.

1202121222192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1202121222192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1835456378184).

1202121222192 is an abundant number, since it is smaller than the sum of its proper divisors (2468791534176).

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

1202121222192 is a wasteful number, since it uses less digits than its factorization.

1202121222192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165499 (or 165490 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The spelling of 1202121222192 in words is "one trillion, two hundred two billion, one hundred twenty-one million, two hundred twenty-two thousand, one hundred ninety-two".