121301202022002 has 128 divisors (see below), whose sum is σ = 276880394649600. Its totient is φ = 39345779507328.

The previous prime is 121301202022001. The next prime is 121301202022031. The reversal of 121301202022002 is 200220202103121.

121301202022002 is a `hidden beast` number, since 12 + 130 + 120 + 202 + 200 + 2 = 666.

It is a super-2 number, since 2×121301202022002² (a number of 29 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (121301202022001) 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, 445285374 + ... + 445557702.

It is an arithmetic number, because the mean of its divisors is an integer number (2163128083200).

Almost surely, 2^{121301202022002} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121301202022002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138440197324800).

121301202022002 is an abundant number, since it is smaller than the sum of its proper divisors (155579192627598).

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

121301202022002 is a wasteful number, since it uses less digits than its factorization.

121301202022002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273397 (or 273391 counting only the distinct ones).

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

Adding to 121301202022002 its reverse (200220202103121), we get a palindrome (321521404125123).

The spelling of 121301202022002 in words is "one hundred twenty-one trillion, three hundred one billion, two hundred two million, twenty-two thousand, two".