121254340001040 has 160 divisors (see below), whose sum is σ = 418330752975360. Its totient is φ = 32282084330496.

The previous prime is 121254340001017. The next prime is 121254340001071. The reversal of 121254340001040 is 40100043452121.

121254340001040 is a `hidden beast` number, since 1 + 2 + 1 + 254 + 3 + 400 + 0 + 1 + 0 + 4 + 0 = 666.

It is a super-2 number, since 2×121254340001040² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 121254340000995 and 121254340001013.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44158584 + ... + 46824023.

It is an arithmetic number, because the mean of its divisors is an integer number (2614567206096).

Almost surely, 2^{121254340001040} is an apocalyptic number.

121254340001040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121254340001040 is an abundant number, since it is smaller than the sum of its proper divisors (297076412974320).

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

121254340001040 is a wasteful number, since it uses less digits than its factorization.

121254340001040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90983246 (or 90983234 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 121254340001040 its reverse (40100043452121), we get a palindrome (161354383453161).

The spelling of 121254340001040 in words is "one hundred twenty-one trillion, two hundred fifty-four billion, three hundred forty million, one thousand, forty".