121403012 has 6 divisors (see below), whose sum is σ = 212455278. Its totient is φ = 60701504.

The previous prime is 121403003. The next prime is 121403033. The reversal of 121403012 is 210304121.

It can be written as a sum of positive squares in only one way, i.e., 79852096 + 41550916 = 8936^2 + 6446^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15175373 + ... + 15175380.

It is an arithmetic number, because the mean of its divisors is an integer number (35409213).

Almost surely, 2^121403012 is an apocalyptic number.

It is an amenable number.

121403012 is a deficient number, since it is larger than the sum of its proper divisors (91052266).

121403012 is a wasteful number, since it uses less digits than its factorization.

121403012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30350757 (or 30350755 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 121403012 is about 11018.3034991781. The cubic root of 121403012 is about 495.1572632310.

Adding to 121403012 its reverse (210304121), we get a palindrome (331707133).

The spelling of 121403012 in words is "one hundred twenty-one million, four hundred three thousand, twelve".