1220101312002 has 32 divisors (see below), whose sum is σ = 2450215521600. Its totient is φ = 405034499520.

The previous prime is 1220101311983. The next prime is 1220101312007. The reversal of 1220101312002 is 2002131010221.

It is not an unprimeable number, because it can be changed into a prime (1220101312007) 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, 1339008 + ... + 2057460.

It is an arithmetic number, because the mean of its divisors is an integer number (76569235050).

Almost surely, 2^{1220101312002} is an apocalyptic number.

1220101312002 is an abundant number, since it is smaller than the sum of its proper divisors (1230114209598).

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

1220101312002 is a wasteful number, since it uses less digits than its factorization.

1220101312002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719618.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1220101312002 its reverse (2002131010221), we get a palindrome (3222232322223).

The spelling of 1220101312002 in words is "one trillion, two hundred twenty billion, one hundred one million, three hundred twelve thousand, two".