121302055010 has 16 divisors (see below), whose sum is σ = 220346854200. Its totient is φ = 48075676416.

The previous prime is 121302055009. The next prime is 121302055057. The reversal of 121302055010 is 10550203121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 102756790249 + 18545264761 = 320557^2 + 136181^2 .

It is a super-2 number, since 2×121302055010² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55642055 + ... + 55644234.

Almost surely, 2^121302055010 is an apocalyptic number.

121302055010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121302055010 is a deficient number, since it is larger than the sum of its proper divisors (99044799190).

121302055010 is a wasteful number, since it uses less digits than its factorization.

121302055010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111286405.

The product of its (nonzero) digits is 300, while the sum is 20.

Adding to 121302055010 its reverse (10550203121), we get a palindrome (131852258131).

The spelling of 121302055010 in words is "one hundred twenty-one billion, three hundred two million, fifty-five thousand, ten".