1002400212 has 48 divisors (see below), whose sum is σ = 2568513024. Its totient is φ = 301740000.

The previous prime is 1002400193. The next prime is 1002400229. The reversal of 1002400212 is 2120042001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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, 5214 + ... + 45077.

It is an arithmetic number, because the mean of its divisors is an integer number (53510688).

Almost surely, 2^1002400212 is an apocalyptic number.

1002400212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1002400212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1284256512).

1002400212 is an abundant number, since it is smaller than the sum of its proper divisors (1566112812).

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

1002400212 is a wasteful number, since it uses less digits than its factorization.

1002400212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50460 (or 50458 counting only the distinct ones).

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

The square root of 1002400212 is about 31660.7045404868. The cubic root of 1002400212 is about 1000.7994314058.

Adding to 1002400212 its reverse (2120042001), we get a palindrome (3122442213).

The spelling of 1002400212 in words is "one billion, two million, four hundred thousand, two hundred twelve".