1211225301662 has 4 divisors (see below), whose sum is σ = 1816837952496. Its totient is φ = 605612650830.

The previous prime is 1211225301647. The next prime is 1211225301673. The reversal of 1211225301662 is 2661035221121.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302806325414 + ... + 302806325417.

It is an arithmetic number, because the mean of its divisors is an integer number (454209488124).

Almost surely, 2^{1211225301662} is an apocalyptic number.

1211225301662 is a deficient number, since it is larger than the sum of its proper divisors (605612650834).

1211225301662 is an equidigital number, since it uses as much as digits as its factorization.

1211225301662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605612650833.

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 1211225301662 in words is "one trillion, two hundred eleven billion, two hundred twenty-five million, three hundred one thousand, six hundred sixty-two".