2102201001212 has 24 divisors (see below), whose sum is σ = 4068917118336. Its totient is φ = 944023733568.

The previous prime is 2102201001169. The next prime is 2102201001223. The reversal of 2102201001212 is 2121001022012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546308108 + ... + 546311955.

It is an arithmetic number, because the mean of its divisors is an integer number (169538213264).

Almost surely, 2^{2102201001212} is an apocalyptic number.

It is an amenable number.

2102201001212 is a deficient number, since it is larger than the sum of its proper divisors (1966716117124).

2102201001212 is a wasteful number, since it uses less digits than its factorization.

2102201001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092620117 (or 1092620115 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2102201001212 its reverse (2121001022012), we get a palindrome (4223202023224).

The spelling of 2102201001212 in words is "two trillion, one hundred two billion, two hundred one million, one thousand, two hundred twelve".