121302210140 has 12 divisors (see below), whose sum is σ = 254734641336. Its totient is φ = 48520884048.

The previous prime is 121302210067. The next prime is 121302210179. The reversal of 121302210140 is 41012203121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3032555234 + ... + 3032555273.

It is an arithmetic number, because the mean of its divisors is an integer number (21227886778).

Almost surely, 2^121302210140 is an apocalyptic number.

121302210140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121302210140 is an abundant number, since it is smaller than the sum of its proper divisors (133432431196).

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

121302210140 is a wasteful number, since it uses less digits than its factorization.

121302210140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6065110516 (or 6065110514 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 121302210140 its reverse (41012203121), we get a palindrome (162314413261).

The spelling of 121302210140 in words is "one hundred twenty-one billion, three hundred two million, two hundred ten thousand, one hundred forty".