121134012 has 24 divisors (see below), whose sum is σ = 284522112. Its totient is φ = 40110000.

The previous prime is 121134007. The next prime is 121134017. The reversal of 121134012 is 210431121.

It is an interprime number because it is at equal distance from previous prime (121134007) and next prime (121134017).

It is a super-2 number, since 2×121134012² = 29346897726432288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121133982 and 121134000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121134017) 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, 31614 + ... + 35237.

It is an arithmetic number, because the mean of its divisors is an integer number (11855088).

Almost surely, 2^121134012 is an apocalyptic number.

121134012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121134012 is an abundant number, since it is smaller than the sum of its proper divisors (163388100).

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

121134012 is a wasteful number, since it uses less digits than its factorization.

121134012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67009 (or 67007 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 121134012 is about 11006.0897688507. The cubic root of 121134012 is about 494.7912761475.

Adding to 121134012 its reverse (210431121), we get a palindrome (331565133).

The spelling of 121134012 in words is "one hundred twenty-one million, one hundred thirty-four thousand, twelve".