121144412454112 has 48 divisors (see below), whose sum is σ = 238745915220960. Its totient is φ = 60510543464448.

The previous prime is 121144412454097. The next prime is 121144412454113. The reversal of 121144412454112 is 211454214441121.

It is a super-3 number, since 3×121144412454112³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121144412454113) 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, 277497828 + ... + 277934044.

It is an arithmetic number, because the mean of its divisors is an integer number (4973873233770).

Almost surely, 2^{121144412454112} is an apocalyptic number.

It is an amenable number.

121144412454112 is a deficient number, since it is larger than the sum of its proper divisors (117601502766848).

121144412454112 is a wasteful number, since it uses less digits than its factorization.

121144412454112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445043 (or 445035 counting only the distinct ones).

The product of its digits is 40960, while the sum is 37.

Adding to 121144412454112 its reverse (211454214441121), we get a palindrome (332598626895233).

The spelling of 121144412454112 in words is "one hundred twenty-one trillion, one hundred forty-four billion, four hundred twelve million, four hundred fifty-four thousand, one hundred twelve".