1002201001212 has 24 divisors (see below), whose sum is σ = 2346911136976. Its totient is φ = 332860981248.

The previous prime is 1002201001211. The next prime is 1002201001213. The reversal of 1002201001212 is 2121001022001.

It is an interprime number because it is at equal distance from previous prime (1002201001211) and next prime (1002201001213).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002201001211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150748933 + ... + 150755580.

Almost surely, 2^{1002201001212} is an apocalyptic number.

1002201001212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1002201001212 is an abundant number, since it is smaller than the sum of its proper divisors (1344710135764).

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

1002201001212 is a wasteful number, since it uses less digits than its factorization.

1002201001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301504797 (or 301504795 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1002201001212 its reverse (2121001022001), we get a palindrome (3123202023213).

The spelling of 1002201001212 in words is "one trillion, two billion, two hundred one million, one thousand, two hundred twelve".