1212022202001 has 16 divisors (see below), whose sum is σ = 1740436313280. Its totient is φ = 745818356160.

The previous prime is 1212022201981. The next prime is 1212022202011. The reversal of 1212022202001 is 1002022202121.

It is not a de Polignac number, because 1212022202001 - 2¹¹ = 1212022199953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1212022202011) 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, 145611 + ... + 1563728.

It is an arithmetic number, because the mean of its divisors is an integer number (108777269580).

Almost surely, 2^{1212022202001} is an apocalyptic number.

It is an amenable number.

1212022202001 is a deficient number, since it is larger than the sum of its proper divisors (528414111279).

1212022202001 is a wasteful number, since it uses less digits than its factorization.

1212022202001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1727536.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1212022202001 its reverse (1002022202121), we get a palindrome (2214044404122).

The spelling of 1212022202001 in words is "one trillion, two hundred twelve billion, twenty-two million, two hundred two thousand, one".