10012021210 has 32 divisors (see below), whose sum is σ = 18813295872. Its totient is φ = 3829034880.

The previous prime is 10012021153. The next prime is 10012021231. The reversal of 10012021210 is 1212021001.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 615502 + ... + 631558.

It is an arithmetic number, because the mean of its divisors is an integer number (587915496).

Almost surely, 2^10012021210 is an apocalyptic number.

10012021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10012021210 is a deficient number, since it is larger than the sum of its proper divisors (8801274662).

10012021210 is a wasteful number, since it uses less digits than its factorization.

10012021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18798.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10012021210 its reverse (1212021001), we get a palindrome (11224042211).

The spelling of 10012021210 in words is "ten billion, twelve million, twenty-one thousand, two hundred ten".