1220212402030 has 64 divisors (see below), whose sum is σ = 2369712360960. Its totient is φ = 450954601344.

The previous prime is 1220212401949. The next prime is 1220212402109. The reversal of 1220212402030 is 302042120221.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 1220212401989 and 1220212402007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1318897 + ... + 2044483.

It is an arithmetic number, because the mean of its divisors is an integer number (37026755640).

Almost surely, 2^{1220212402030} is an apocalyptic number.

1220212402030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220212402030 is a deficient number, since it is larger than the sum of its proper divisors (1149499958930).

1220212402030 is a wasteful number, since it uses less digits than its factorization.

1220212402030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725833.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 1220212402030 its reverse (302042120221), we get a palindrome (1522254522251).

The spelling of 1220212402030 in words is "one trillion, two hundred twenty billion, two hundred twelve million, four hundred two thousand, thirty".