121254232013450 has 24 divisors (see below), whose sum is σ = 225688734064992. Its totient is φ = 48468173983920.

The previous prime is 121254232013441. The next prime is 121254232013507. The reversal of 121254232013450 is 54310232452121.

It is a super-3 number, since 3×121254232013450³ (a number of 43 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121254232013450.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 837897464 + ... + 838042163.

It is an arithmetic number, because the mean of its divisors is an integer number (9403697252708).

Almost surely, 2^{121254232013450} is an apocalyptic number.

121254232013450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121254232013450 is a deficient number, since it is larger than the sum of its proper divisors (104434502051542).

121254232013450 is a wasteful number, since it uses less digits than its factorization.

121254232013450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1675941086 (or 1675941081 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 121254232013450 its reverse (54310232452121), we get a palindrome (175564464465571).

The spelling of 121254232013450 in words is "one hundred twenty-one trillion, two hundred fifty-four billion, two hundred thirty-two million, thirteen thousand, four hundred fifty".