2212621212061 has 8 divisors (see below), whose sum is σ = 2382840391680. Its totient is φ = 2042404539312.

The previous prime is 2212621211993. The next prime is 2212621212143. The reversal of 2212621212061 is 1602121262122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2212621212061 - 2³¹ = 2210473728413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212621216061) 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, 1465020 + ... + 2563498.

It is an arithmetic number, because the mean of its divisors is an integer number (297855048960).

Almost surely, 2^{2212621212061} is an apocalyptic number.

It is an amenable number.

2212621212061 is a deficient number, since it is larger than the sum of its proper divisors (170219179619).

2212621212061 is a wasteful number, since it uses less digits than its factorization.

2212621212061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253435.

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 2212621212061 its reverse (1602121262122), we get a palindrome (3814742474183).

The spelling of 2212621212061 in words is "two trillion, two hundred twelve billion, six hundred twenty-one million, two hundred twelve thousand, sixty-one".