121002300010 has 32 divisors (see below), whose sum is σ = 223174602000. Its totient is φ = 47208099840.

The previous prime is 121002299983. The next prime is 121002300017. The reversal of 121002300010 is 10003200121.

It can be written as a sum of positive squares in 8 ways, for example, as 32215583169 + 88786716841 = 179487^2 + 297971^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a self number, because there is not a number n which added to its sum of digits gives 121002300010.

It is not an unprimeable number, because it can be changed into a prime (121002300017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1623646 + ... + 1696534.

Almost surely, 2^121002300010 is an apocalyptic number.

121002300010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121002300010 is a deficient number, since it is larger than the sum of its proper divisors (102172301990).

121002300010 is a wasteful number, since it uses less digits than its factorization.

121002300010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76986.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 121002300010 its reverse (10003200121), we get a palindrome (131005500131).

The spelling of 121002300010 in words is "one hundred twenty-one billion, two million, three hundred thousand, ten".