1202121222190 has 128 divisors (see below), whose sum is σ = 2762189475840. Its totient is φ = 366698078208.

The previous prime is 1202121222187. The next prime is 1202121222191. The reversal of 1202121222190 is 912221212021.

It is a happy number.

It is a super-2 number, since 2×1202121222190² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 10411014 + ... + 10525846.

It is an arithmetic number, because the mean of its divisors is an integer number (21579605280).

Almost surely, 2^{1202121222190} is an apocalyptic number.

1202121222190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1202121222190 is an abundant number, since it is smaller than the sum of its proper divisors (1560068253650).

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

1202121222190 is a wasteful number, since it uses less digits than its factorization.

1202121222190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115346.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 1202121222190 in words is "one trillion, two hundred two billion, one hundred twenty-one million, two hundred twenty-two thousand, one hundred ninety".