12201029490 has 64 divisors (see below), whose sum is σ = 32069520000. Its totient is φ = 2952420864.

The previous prime is 12201029483. The next prime is 12201029513. The reversal of 12201029490 is 9492010221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 242115 + ... + 288134.

It is an arithmetic number, because the mean of its divisors is an integer number (501086250).

Almost surely, 2^12201029490 is an apocalyptic number.

12201029490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12201029490 is an abundant number, since it is smaller than the sum of its proper divisors (19868490510).

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

12201029490 is a wasteful number, since it uses less digits than its factorization.

12201029490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530331.

The product of its (nonzero) digits is 2592, while the sum is 30.

The spelling of 12201029490 in words is "twelve billion, two hundred one million, twenty-nine thousand, four hundred ninety".