121322000202 has 64 divisors (see below), whose sum is σ = 274284299520. Its totient is φ = 35706720192.

The previous prime is 121322000197. The next prime is 121322000207. The reversal of 121322000202 is 202000223121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121322000197) and next prime (121322000207).

It is not an unprimeable number, because it can be changed into a prime (121322000207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103108 + ... + 503264.

It is an arithmetic number, because the mean of its divisors is an integer number (4285692180).

Almost surely, 2^121322000202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121322000202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137142149760).

121322000202 is an abundant number, since it is smaller than the sum of its proper divisors (152962299318).

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

121322000202 is a wasteful number, since it uses less digits than its factorization.

121322000202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400224 (or 400198 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 121322000202 its reverse (202000223121), we get a palindrome (323322223323).

The spelling of 121322000202 in words is "one hundred twenty-one billion, three hundred twenty-two million, two hundred two", and thus it is an aban number.