1201002232122 has 288 divisors, whose sum is σ = 3352087380096. Its totient is φ = 304081240320.

The previous prime is 1201002232099. The next prime is 1201002232127. The reversal of 1201002232122 is 2212322001021.

It is a super-4 number, since 4×1201002232122⁴ (a number of 49 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1201002232095 and 1201002232104.

It is not an unprimeable number, because it can be changed into a prime (1201002232127) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 126857233 + ... + 126866699.

It is an arithmetic number, because the mean of its divisors is an integer number (11639192292).

Almost surely, 2^{1201002232122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1201002232122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1676043690048).

1201002232122 is an abundant number, since it is smaller than the sum of its proper divisors (2151085147974).

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

1201002232122 is a wasteful number, since it uses less digits than its factorization.

1201002232122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9714 (or 9700 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 1201002232122 its reverse (2212322001021), we get a palindrome (3413324233143).

The spelling of 1201002232122 in words is "one trillion, two hundred one billion, two million, two hundred thirty-two thousand, one hundred twenty-two".