1001210222000 has 80 divisors (see below), whose sum is σ = 2435779418592. Its totient is φ = 398027001600.

The previous prime is 1001210221987. The next prime is 1001210222009. The reversal of 1001210222000 is 2220121001.

It is a happy number.

1001210222000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (1001210222009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1209599 + ... + 1861598.

Almost surely, 2^{1001210222000} is an apocalyptic number.

1001210222000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001210222000 is an abundant number, since it is smaller than the sum of its proper divisors (1434569196592).

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

1001210222000 is a wasteful number, since it uses less digits than its factorization.

1001210222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3071383 (or 3071367 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1001210222000 its reverse (2220121001), we get a palindrome (1003430343001).

The spelling of 1001210222000 in words is "one trillion, one billion, two hundred ten million, two hundred twenty-two thousand".