121141230151240 has 32 divisors (see below), whose sum is σ = 293534519213880. Its totient is φ = 44729069594112.

The previous prime is 121141230151231. The next prime is 121141230151247. The reversal of 121141230151240 is 42151032141121.

It can be written as a sum of positive squares in 4 ways, for example, as 82590617091844 + 38550613059396 = 9087938^2 + 6208914^2 .

It is a super-3 number, since 3×121141230151240³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121141230151199 and 121141230151208.

It is not an unprimeable number, because it can be changed into a prime (121141230151247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116481951549 + ... + 116481952588.

Almost surely, 2^{121141230151240} is an apocalyptic number.

121141230151240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121141230151240 is an abundant number, since it is smaller than the sum of its proper divisors (172393289062640).

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

121141230151240 is a wasteful number, since it uses less digits than its factorization.

121141230151240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232963904161 (or 232963904157 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

Adding to 121141230151240 its reverse (42151032141121), we get a palindrome (163292262292361).

The spelling of 121141230151240 in words is "one hundred twenty-one trillion, one hundred forty-one billion, two hundred thirty million, one hundred fifty-one thousand, two hundred forty".