1220101112012 has 12 divisors (see below), whose sum is σ = 2138349576216. Its totient is φ = 609144090240.

The previous prime is 1220101111993. The next prime is 1220101112023. The reversal of 1220101112012 is 2102111010221.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226613414 + ... + 226618797.

It is an arithmetic number, because the mean of its divisors is an integer number (178195798018).

Almost surely, 2^{1220101112012} is an apocalyptic number.

It is an amenable number.

1220101112012 is a deficient number, since it is larger than the sum of its proper divisors (918248464204).

1220101112012 is a wasteful number, since it uses less digits than its factorization.

1220101112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453232888 (or 453232886 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1220101112012 its reverse (2102111010221), we get a palindrome (3322212122233).

The spelling of 1220101112012 in words is "one trillion, two hundred twenty billion, one hundred one million, one hundred twelve thousand, twelve".