121302303012 has 54 divisors (see below), whose sum is σ = 337034395334. Its totient is φ = 36758272320.

The previous prime is 121302302987. The next prime is 121302303019. The reversal of 121302303012 is 210303203121.

121302303012 is a `hidden beast` number, since 1 + 2 + 130 + 230 + 301 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 120474244836 + 828058176 = 347094^2 + 28776^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (121302303019) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13919233 + ... + 13927944.

Almost surely, 2^121302303012 is an apocalyptic number.

121302303012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121302303012 is an abundant number, since it is smaller than the sum of its proper divisors (215732092322).

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

121302303012 is a wasteful number, since it uses less digits than its factorization.

121302303012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27847209 (or 27847193 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 121302303012 its reverse (210303203121), we get a palindrome (331605506133).

The spelling of 121302303012 in words is "one hundred twenty-one billion, three hundred two million, three hundred three thousand, twelve".