1012201211000 has 64 divisors (see below), whose sum is σ = 2706915257280. Its totient is φ = 347040412800.

The previous prime is 1012201210997. The next prime is 1012201211017. The reversal of 1012201211000 is 1121022101.

It is a super-3 number, since 3×1012201211000³ (a number of 37 digits) contains 333 as substring.

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, 72293087 + ... + 72307086.

It is an arithmetic number, because the mean of its divisors is an integer number (42295550895).

Almost surely, 2^{1012201211000} is an apocalyptic number.

1012201211000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012201211000 is an abundant number, since it is smaller than the sum of its proper divisors (1694714046280).

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

1012201211000 is a wasteful number, since it uses less digits than its factorization.

1012201211000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144600201 (or 144600187 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1012201211000 its reverse (1121022101), we get a palindrome (1013322233101).

The spelling of 1012201211000 in words is "one trillion, twelve billion, two hundred one million, two hundred eleven thousand".