121032312010 has 16 divisors (see below), whose sum is σ = 223171776072. Its totient is φ = 47232121600.

The previous prime is 121032311987. The next prime is 121032312013. The reversal of 121032312010 is 10213230121.

It can be written as a sum of positive squares in 4 ways, for example, as 81362428081 + 39669883929 = 285241^2 + 199173^2 .

It is not an unprimeable number, because it can be changed into a prime (121032312013) 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, 147599971 + ... + 147600790.

Almost surely, 2^121032312010 is an apocalyptic number.

121032312010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121032312010 is a deficient number, since it is larger than the sum of its proper divisors (102139464062).

121032312010 is a wasteful number, since it uses less digits than its factorization.

121032312010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295200809.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121032312010 its reverse (10213230121), we get a palindrome (131245542131).

The spelling of 121032312010 in words is "one hundred twenty-one billion, thirty-two million, three hundred twelve thousand, ten".