121455511034012 has 6 divisors (see below), whose sum is σ = 212547144309528. Its totient is φ = 60727755517004.

The previous prime is 121455511034003. The next prime is 121455511034029. The reversal of 121455511034012 is 210430115554121.

It is a happy number.

121455511034012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×121455511034012² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15181938879248 + ... + 15181938879255.

It is an arithmetic number, because the mean of its divisors is an integer number (35424524051588).

Almost surely, 2^{121455511034012} is an apocalyptic number.

It is an amenable number.

121455511034012 is a deficient number, since it is larger than the sum of its proper divisors (91091633275516).

121455511034012 is a wasteful number, since it uses less digits than its factorization.

121455511034012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30363877758507 (or 30363877758505 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 35.

Adding to 121455511034012 its reverse (210430115554121), we get a palindrome (331885626588133).

The spelling of 121455511034012 in words is "one hundred twenty-one trillion, four hundred fifty-five billion, five hundred eleven million, thirty-four thousand, twelve".