121125512062140 has 48 divisors (see below), whose sum is σ = 339305383955328. Its totient is φ = 32285474627904.

The previous prime is 121125512062097. The next prime is 121125512062193. The reversal of 121125512062140 is 41260215521121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 458051782 + ... + 458316141.

It is an arithmetic number, because the mean of its divisors is an integer number (7068862165736).

Almost surely, 2^{121125512062140} is an apocalyptic number.

121125512062140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121125512062140 is an abundant number, since it is smaller than the sum of its proper divisors (218179871893188).

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

121125512062140 is a wasteful number, since it uses less digits than its factorization.

121125512062140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916370138 (or 916370136 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 33.

Adding to 121125512062140 its reverse (41260215521121), we get a palindrome (162385727583261).

The spelling of 121125512062140 in words is "one hundred twenty-one trillion, one hundred twenty-five billion, five hundred twelve million, sixty-two thousand, one hundred forty".