10212421450 has 192 divisors, whose sum is σ = 25054396416. Its totient is φ = 3003840000.

The previous prime is 10212421423. The next prime is 10212421487. The reversal of 10212421450 is 5412421201.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4892307 + ... + 4894393.

It is an arithmetic number, because the mean of its divisors is an integer number (130491648).

Almost surely, 2^10212421450 is an apocalyptic number.

10212421450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10212421450 is an abundant number, since it is smaller than the sum of its proper divisors (14841974966).

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

10212421450 is a wasteful number, since it uses less digits than its factorization.

10212421450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2189 (or 2184 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 10212421450 its reverse (5412421201), we get a palindrome (15624842651).

The spelling of 10212421450 in words is "ten billion, two hundred twelve million, four hundred twenty-one thousand, four hundred fifty".