121233414140 has 48 divisors (see below), whose sum is σ = 262307505600. Its totient is φ = 47037073920.

The previous prime is 121233414103. The next prime is 121233414187. The reversal of 121233414140 is 41414332121.

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, 285440 + ... + 569159.

It is an arithmetic number, because the mean of its divisors is an integer number (5464739700).

Almost surely, 2^121233414140 is an apocalyptic number.

121233414140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121233414140 is an abundant number, since it is smaller than the sum of its proper divisors (141074091460).

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

121233414140 is a wasteful number, since it uses less digits than its factorization.

121233414140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854822 (or 854820 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 121233414140 its reverse (41414332121), we get a palindrome (162647746261).

The spelling of 121233414140 in words is "one hundred twenty-one billion, two hundred thirty-three million, four hundred fourteen thousand, one hundred forty".