12402020010 has 64 divisors (see below), whose sum is σ = 31280337792. Its totient is φ = 3142976256.

The previous prime is 12402020009. The next prime is 12402020017. The reversal of 12402020010 is 1002020421.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12402020017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82189 + ... + 177648.

It is an arithmetic number, because the mean of its divisors is an integer number (488755278).

Almost surely, 2^12402020010 is an apocalyptic number.

12402020010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12402020010 is an abundant number, since it is smaller than the sum of its proper divisors (18878317782).

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

12402020010 is a wasteful number, since it uses less digits than its factorization.

12402020010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259927.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 12402020010 its reverse (1002020421), we get a palindrome (13404040431).

The spelling of 12402020010 in words is "twelve billion, four hundred two million, twenty thousand, ten".